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1 | # encoding: utf-8 |
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1 | # encoding: utf-8 | |
2 | """ |
|
2 | """ | |
3 | A mixin for :class:`~IPython.core.application.Application` classes that |
|
3 | A mixin for :class:`~IPython.core.application.Application` classes that | |
4 | launch InteractiveShell instances, load extensions, etc. |
|
4 | launch InteractiveShell instances, load extensions, etc. | |
5 |
|
5 | |||
6 | Authors |
|
6 | Authors | |
7 | ------- |
|
7 | ------- | |
8 |
|
8 | |||
9 | * Min Ragan-Kelley |
|
9 | * Min Ragan-Kelley | |
10 | """ |
|
10 | """ | |
11 |
|
11 | |||
12 | #----------------------------------------------------------------------------- |
|
12 | #----------------------------------------------------------------------------- | |
13 | # Copyright (C) 2008-2011 The IPython Development Team |
|
13 | # Copyright (C) 2008-2011 The IPython Development Team | |
14 | # |
|
14 | # | |
15 | # Distributed under the terms of the BSD License. The full license is in |
|
15 | # Distributed under the terms of the BSD License. The full license is in | |
16 | # the file COPYING, distributed as part of this software. |
|
16 | # the file COPYING, distributed as part of this software. | |
17 | #----------------------------------------------------------------------------- |
|
17 | #----------------------------------------------------------------------------- | |
18 |
|
18 | |||
19 | #----------------------------------------------------------------------------- |
|
19 | #----------------------------------------------------------------------------- | |
20 | # Imports |
|
20 | # Imports | |
21 | #----------------------------------------------------------------------------- |
|
21 | #----------------------------------------------------------------------------- | |
22 |
|
22 | |||
23 | from __future__ import absolute_import |
|
23 | from __future__ import absolute_import | |
24 | from __future__ import print_function |
|
24 | from __future__ import print_function | |
25 |
|
25 | |||
26 | import glob |
|
26 | import glob | |
27 | import os |
|
27 | import os | |
28 | import sys |
|
28 | import sys | |
29 |
|
29 | |||
30 | from IPython.config.application import boolean_flag |
|
30 | from IPython.config.application import boolean_flag | |
31 | from IPython.config.configurable import Configurable |
|
31 | from IPython.config.configurable import Configurable | |
32 | from IPython.config.loader import Config |
|
32 | from IPython.config.loader import Config | |
33 | from IPython.core import pylabtools |
|
33 | from IPython.core import pylabtools | |
34 | from IPython.utils import py3compat |
|
34 | from IPython.utils import py3compat | |
35 | from IPython.utils.contexts import preserve_keys |
|
35 | from IPython.utils.contexts import preserve_keys | |
36 | from IPython.utils.path import filefind |
|
36 | from IPython.utils.path import filefind | |
37 | from IPython.utils.traitlets import ( |
|
37 | from IPython.utils.traitlets import ( | |
38 | Unicode, Instance, List, Bool, CaselessStrEnum, Dict |
|
38 | Unicode, Instance, List, Bool, CaselessStrEnum, Dict | |
39 | ) |
|
39 | ) | |
40 | from IPython.lib.inputhook import guis |
|
40 | from IPython.lib.inputhook import guis | |
41 |
|
41 | |||
42 | #----------------------------------------------------------------------------- |
|
42 | #----------------------------------------------------------------------------- | |
43 | # Aliases and Flags |
|
43 | # Aliases and Flags | |
44 | #----------------------------------------------------------------------------- |
|
44 | #----------------------------------------------------------------------------- | |
45 |
|
45 | |||
46 | gui_keys = tuple(sorted([ key for key in guis if key is not None ])) |
|
46 | gui_keys = tuple(sorted([ key for key in guis if key is not None ])) | |
47 |
|
47 | |||
48 | backend_keys = sorted(pylabtools.backends.keys()) |
|
48 | backend_keys = sorted(pylabtools.backends.keys()) | |
49 | backend_keys.insert(0, 'auto') |
|
49 | backend_keys.insert(0, 'auto') | |
50 |
|
50 | |||
51 | shell_flags = {} |
|
51 | shell_flags = {} | |
52 |
|
52 | |||
53 | addflag = lambda *args: shell_flags.update(boolean_flag(*args)) |
|
53 | addflag = lambda *args: shell_flags.update(boolean_flag(*args)) | |
54 | addflag('autoindent', 'InteractiveShell.autoindent', |
|
54 | addflag('autoindent', 'InteractiveShell.autoindent', | |
55 | 'Turn on autoindenting.', 'Turn off autoindenting.' |
|
55 | 'Turn on autoindenting.', 'Turn off autoindenting.' | |
56 | ) |
|
56 | ) | |
57 | addflag('automagic', 'InteractiveShell.automagic', |
|
57 | addflag('automagic', 'InteractiveShell.automagic', | |
58 | """Turn on the auto calling of magic commands. Type %%magic at the |
|
58 | """Turn on the auto calling of magic commands. Type %%magic at the | |
59 | IPython prompt for more information.""", |
|
59 | IPython prompt for more information.""", | |
60 | 'Turn off the auto calling of magic commands.' |
|
60 | 'Turn off the auto calling of magic commands.' | |
61 | ) |
|
61 | ) | |
62 | addflag('pdb', 'InteractiveShell.pdb', |
|
62 | addflag('pdb', 'InteractiveShell.pdb', | |
63 | "Enable auto calling the pdb debugger after every exception.", |
|
63 | "Enable auto calling the pdb debugger after every exception.", | |
64 | "Disable auto calling the pdb debugger after every exception." |
|
64 | "Disable auto calling the pdb debugger after every exception." | |
65 | ) |
|
65 | ) | |
66 | # pydb flag doesn't do any config, as core.debugger switches on import, |
|
66 | # pydb flag doesn't do any config, as core.debugger switches on import, | |
67 | # which is before parsing. This just allows the flag to be passed. |
|
67 | # which is before parsing. This just allows the flag to be passed. | |
68 | shell_flags.update(dict( |
|
68 | shell_flags.update(dict( | |
69 | pydb = ({}, |
|
69 | pydb = ({}, | |
70 | """Use the third party 'pydb' package as debugger, instead of pdb. |
|
70 | """Use the third party 'pydb' package as debugger, instead of pdb. | |
71 | Requires that pydb is installed.""" |
|
71 | Requires that pydb is installed.""" | |
72 | ) |
|
72 | ) | |
73 | )) |
|
73 | )) | |
74 | addflag('pprint', 'PlainTextFormatter.pprint', |
|
74 | addflag('pprint', 'PlainTextFormatter.pprint', | |
75 | "Enable auto pretty printing of results.", |
|
75 | "Enable auto pretty printing of results.", | |
76 | "Disable auto pretty printing of results." |
|
76 | "Disable auto pretty printing of results." | |
77 | ) |
|
77 | ) | |
78 | addflag('color-info', 'InteractiveShell.color_info', |
|
78 | addflag('color-info', 'InteractiveShell.color_info', | |
79 | """IPython can display information about objects via a set of func- |
|
79 | """IPython can display information about objects via a set of func- | |
80 | tions, and optionally can use colors for this, syntax highlighting |
|
80 | tions, and optionally can use colors for this, syntax highlighting | |
81 | source code and various other elements. However, because this |
|
81 | source code and various other elements. However, because this | |
82 | information is passed through a pager (like 'less') and many pagers get |
|
82 | information is passed through a pager (like 'less') and many pagers get | |
83 | confused with color codes, this option is off by default. You can test |
|
83 | confused with color codes, this option is off by default. You can test | |
84 | it and turn it on permanently in your ipython_config.py file if it |
|
84 | it and turn it on permanently in your ipython_config.py file if it | |
85 | works for you. Test it and turn it on permanently if it works with |
|
85 | works for you. Test it and turn it on permanently if it works with | |
86 | your system. The magic function %%color_info allows you to toggle this |
|
86 | your system. The magic function %%color_info allows you to toggle this | |
87 | interactively for testing.""", |
|
87 | interactively for testing.""", | |
88 | "Disable using colors for info related things." |
|
88 | "Disable using colors for info related things." | |
89 | ) |
|
89 | ) | |
90 | addflag('deep-reload', 'InteractiveShell.deep_reload', |
|
90 | addflag('deep-reload', 'InteractiveShell.deep_reload', | |
91 | """Enable deep (recursive) reloading by default. IPython can use the |
|
91 | """Enable deep (recursive) reloading by default. IPython can use the | |
92 | deep_reload module which reloads changes in modules recursively (it |
|
92 | deep_reload module which reloads changes in modules recursively (it | |
93 | replaces the reload() function, so you don't need to change anything to |
|
93 | replaces the reload() function, so you don't need to change anything to | |
94 | use it). deep_reload() forces a full reload of modules whose code may |
|
94 | use it). deep_reload() forces a full reload of modules whose code may | |
95 | have changed, which the default reload() function does not. When |
|
95 | have changed, which the default reload() function does not. When | |
96 | deep_reload is off, IPython will use the normal reload(), but |
|
96 | deep_reload is off, IPython will use the normal reload(), but | |
97 | deep_reload will still be available as dreload(). This feature is off |
|
97 | deep_reload will still be available as dreload(). This feature is off | |
98 | by default [which means that you have both normal reload() and |
|
98 | by default [which means that you have both normal reload() and | |
99 | dreload()].""", |
|
99 | dreload()].""", | |
100 | "Disable deep (recursive) reloading by default." |
|
100 | "Disable deep (recursive) reloading by default." | |
101 | ) |
|
101 | ) | |
102 | nosep_config = Config() |
|
102 | nosep_config = Config() | |
103 | nosep_config.InteractiveShell.separate_in = '' |
|
103 | nosep_config.InteractiveShell.separate_in = '' | |
104 | nosep_config.InteractiveShell.separate_out = '' |
|
104 | nosep_config.InteractiveShell.separate_out = '' | |
105 | nosep_config.InteractiveShell.separate_out2 = '' |
|
105 | nosep_config.InteractiveShell.separate_out2 = '' | |
106 |
|
106 | |||
107 | shell_flags['nosep']=(nosep_config, "Eliminate all spacing between prompts.") |
|
107 | shell_flags['nosep']=(nosep_config, "Eliminate all spacing between prompts.") | |
108 | shell_flags['pylab'] = ( |
|
108 | shell_flags['pylab'] = ( | |
109 | {'InteractiveShellApp' : {'pylab' : 'auto'}}, |
|
109 | {'InteractiveShellApp' : {'pylab' : 'auto'}}, | |
110 | """Pre-load matplotlib and numpy for interactive use with |
|
110 | """Pre-load matplotlib and numpy for interactive use with | |
111 | the default matplotlib backend.""" |
|
111 | the default matplotlib backend.""" | |
112 | ) |
|
112 | ) | |
113 | shell_flags['matplotlib'] = ( |
|
113 | shell_flags['matplotlib'] = ( | |
114 | {'InteractiveShellApp' : {'matplotlib' : 'auto'}}, |
|
114 | {'InteractiveShellApp' : {'matplotlib' : 'auto'}}, | |
115 | """Configure matplotlib for interactive use with |
|
115 | """Configure matplotlib for interactive use with | |
116 | the default matplotlib backend.""" |
|
116 | the default matplotlib backend.""" | |
117 | ) |
|
117 | ) | |
118 |
|
118 | |||
119 | # it's possible we don't want short aliases for *all* of these: |
|
119 | # it's possible we don't want short aliases for *all* of these: | |
120 | shell_aliases = dict( |
|
120 | shell_aliases = dict( | |
121 | autocall='InteractiveShell.autocall', |
|
121 | autocall='InteractiveShell.autocall', | |
122 | colors='InteractiveShell.colors', |
|
122 | colors='InteractiveShell.colors', | |
123 | logfile='InteractiveShell.logfile', |
|
123 | logfile='InteractiveShell.logfile', | |
124 | logappend='InteractiveShell.logappend', |
|
124 | logappend='InteractiveShell.logappend', | |
125 | c='InteractiveShellApp.code_to_run', |
|
125 | c='InteractiveShellApp.code_to_run', | |
126 | m='InteractiveShellApp.module_to_run', |
|
126 | m='InteractiveShellApp.module_to_run', | |
127 | ext='InteractiveShellApp.extra_extension', |
|
127 | ext='InteractiveShellApp.extra_extension', | |
128 | gui='InteractiveShellApp.gui', |
|
128 | gui='InteractiveShellApp.gui', | |
129 | pylab='InteractiveShellApp.pylab', |
|
129 | pylab='InteractiveShellApp.pylab', | |
130 | matplotlib='InteractiveShellApp.matplotlib', |
|
130 | matplotlib='InteractiveShellApp.matplotlib', | |
131 | ) |
|
131 | ) | |
132 | shell_aliases['cache-size'] = 'InteractiveShell.cache_size' |
|
132 | shell_aliases['cache-size'] = 'InteractiveShell.cache_size' | |
133 |
|
133 | |||
134 | #----------------------------------------------------------------------------- |
|
134 | #----------------------------------------------------------------------------- | |
135 | # Main classes and functions |
|
135 | # Main classes and functions | |
136 | #----------------------------------------------------------------------------- |
|
136 | #----------------------------------------------------------------------------- | |
137 |
|
137 | |||
138 | class InteractiveShellApp(Configurable): |
|
138 | class InteractiveShellApp(Configurable): | |
139 | """A Mixin for applications that start InteractiveShell instances. |
|
139 | """A Mixin for applications that start InteractiveShell instances. | |
140 |
|
140 | |||
141 | Provides configurables for loading extensions and executing files |
|
141 | Provides configurables for loading extensions and executing files | |
142 | as part of configuring a Shell environment. |
|
142 | as part of configuring a Shell environment. | |
143 |
|
143 | |||
144 | The following methods should be called by the :meth:`initialize` method |
|
144 | The following methods should be called by the :meth:`initialize` method | |
145 | of the subclass: |
|
145 | of the subclass: | |
146 |
|
146 | |||
147 | - :meth:`init_path` |
|
147 | - :meth:`init_path` | |
148 | - :meth:`init_shell` (to be implemented by the subclass) |
|
148 | - :meth:`init_shell` (to be implemented by the subclass) | |
149 | - :meth:`init_gui_pylab` |
|
149 | - :meth:`init_gui_pylab` | |
150 | - :meth:`init_extensions` |
|
150 | - :meth:`init_extensions` | |
151 | - :meth:`init_code` |
|
151 | - :meth:`init_code` | |
152 | """ |
|
152 | """ | |
153 | extensions = List(Unicode, config=True, |
|
153 | extensions = List(Unicode, config=True, | |
154 | help="A list of dotted module names of IPython extensions to load." |
|
154 | help="A list of dotted module names of IPython extensions to load." | |
155 | ) |
|
155 | ) | |
156 | extra_extension = Unicode('', config=True, |
|
156 | extra_extension = Unicode('', config=True, | |
157 | help="dotted module name of an IPython extension to load." |
|
157 | help="dotted module name of an IPython extension to load." | |
158 | ) |
|
158 | ) | |
159 | def _extra_extension_changed(self, name, old, new): |
|
159 | def _extra_extension_changed(self, name, old, new): | |
160 | if new: |
|
160 | if new: | |
161 | # add to self.extensions |
|
161 | # add to self.extensions | |
162 | self.extensions.append(new) |
|
162 | self.extensions.append(new) | |
163 |
|
163 | |||
164 | # Extensions that are always loaded (not configurable) |
|
164 | # Extensions that are always loaded (not configurable) | |
165 | default_extensions = List(Unicode, [u'storemagic'], config=False) |
|
165 | default_extensions = List(Unicode, [u'storemagic'], config=False) | |
166 |
|
166 | |||
167 | exec_files = List(Unicode, config=True, |
|
167 | exec_files = List(Unicode, config=True, | |
168 | help="""List of files to run at IPython startup.""" |
|
168 | help="""List of files to run at IPython startup.""" | |
169 | ) |
|
169 | ) | |
170 | file_to_run = Unicode('', config=True, |
|
170 | file_to_run = Unicode('', config=True, | |
171 | help="""A file to be run""") |
|
171 | help="""A file to be run""") | |
172 |
|
172 | |||
173 | exec_lines = List(Unicode, config=True, |
|
173 | exec_lines = List(Unicode, config=True, | |
174 | help="""lines of code to run at IPython startup.""" |
|
174 | help="""lines of code to run at IPython startup.""" | |
175 | ) |
|
175 | ) | |
176 | code_to_run = Unicode('', config=True, |
|
176 | code_to_run = Unicode('', config=True, | |
177 | help="Execute the given command string." |
|
177 | help="Execute the given command string." | |
178 | ) |
|
178 | ) | |
179 | module_to_run = Unicode('', config=True, |
|
179 | module_to_run = Unicode('', config=True, | |
180 | help="Run the module as a script." |
|
180 | help="Run the module as a script." | |
181 | ) |
|
181 | ) | |
182 | gui = CaselessStrEnum(gui_keys, config=True, |
|
182 | gui = CaselessStrEnum(gui_keys, config=True, | |
183 | help="Enable GUI event loop integration with any of {0}.".format(gui_keys) |
|
183 | help="Enable GUI event loop integration with any of {0}.".format(gui_keys) | |
184 | ) |
|
184 | ) | |
185 | matplotlib = CaselessStrEnum(backend_keys, |
|
185 | matplotlib = CaselessStrEnum(backend_keys, | |
186 | config=True, |
|
186 | config=True, | |
187 | help="""Configure matplotlib for interactive use with |
|
187 | help="""Configure matplotlib for interactive use with | |
188 | the default matplotlib backend.""" |
|
188 | the default matplotlib backend.""" | |
189 | ) |
|
189 | ) | |
190 | pylab = CaselessStrEnum(backend_keys, |
|
190 | pylab = CaselessStrEnum(backend_keys, | |
191 | config=True, |
|
191 | config=True, | |
192 | help="""Pre-load matplotlib and numpy for interactive use, |
|
192 | help="""Pre-load matplotlib and numpy for interactive use, | |
193 | selecting a particular matplotlib backend and loop integration. |
|
193 | selecting a particular matplotlib backend and loop integration. | |
194 | """ |
|
194 | """ | |
195 | ) |
|
195 | ) | |
196 | pylab_import_all = Bool(True, config=True, |
|
196 | pylab_import_all = Bool(True, config=True, | |
197 | help="""If true, IPython will populate the user namespace with numpy, pylab, etc. |
|
197 | help="""If true, IPython will populate the user namespace with numpy, pylab, etc. | |
198 |
and an |
|
198 | and an ``import *`` is done from numpy and pylab, when using pylab mode. | |
199 |
|
199 | |||
200 | When False, pylab mode should not import any names into the user namespace. |
|
200 | When False, pylab mode should not import any names into the user namespace. | |
201 | """ |
|
201 | """ | |
202 | ) |
|
202 | ) | |
203 | shell = Instance('IPython.core.interactiveshell.InteractiveShellABC') |
|
203 | shell = Instance('IPython.core.interactiveshell.InteractiveShellABC') | |
204 |
|
204 | |||
205 | user_ns = Instance(dict, args=None, allow_none=True) |
|
205 | user_ns = Instance(dict, args=None, allow_none=True) | |
206 | def _user_ns_changed(self, name, old, new): |
|
206 | def _user_ns_changed(self, name, old, new): | |
207 | if self.shell is not None: |
|
207 | if self.shell is not None: | |
208 | self.shell.user_ns = new |
|
208 | self.shell.user_ns = new | |
209 | self.shell.init_user_ns() |
|
209 | self.shell.init_user_ns() | |
210 |
|
210 | |||
211 | def init_path(self): |
|
211 | def init_path(self): | |
212 | """Add current working directory, '', to sys.path""" |
|
212 | """Add current working directory, '', to sys.path""" | |
213 | if sys.path[0] != '': |
|
213 | if sys.path[0] != '': | |
214 | sys.path.insert(0, '') |
|
214 | sys.path.insert(0, '') | |
215 |
|
215 | |||
216 | def init_shell(self): |
|
216 | def init_shell(self): | |
217 | raise NotImplementedError("Override in subclasses") |
|
217 | raise NotImplementedError("Override in subclasses") | |
218 |
|
218 | |||
219 | def init_gui_pylab(self): |
|
219 | def init_gui_pylab(self): | |
220 | """Enable GUI event loop integration, taking pylab into account.""" |
|
220 | """Enable GUI event loop integration, taking pylab into account.""" | |
221 | enable = False |
|
221 | enable = False | |
222 | shell = self.shell |
|
222 | shell = self.shell | |
223 | if self.pylab: |
|
223 | if self.pylab: | |
224 | enable = lambda key: shell.enable_pylab(key, import_all=self.pylab_import_all) |
|
224 | enable = lambda key: shell.enable_pylab(key, import_all=self.pylab_import_all) | |
225 | key = self.pylab |
|
225 | key = self.pylab | |
226 | elif self.matplotlib: |
|
226 | elif self.matplotlib: | |
227 | enable = shell.enable_matplotlib |
|
227 | enable = shell.enable_matplotlib | |
228 | key = self.matplotlib |
|
228 | key = self.matplotlib | |
229 | elif self.gui: |
|
229 | elif self.gui: | |
230 | enable = shell.enable_gui |
|
230 | enable = shell.enable_gui | |
231 | key = self.gui |
|
231 | key = self.gui | |
232 |
|
232 | |||
233 | if not enable: |
|
233 | if not enable: | |
234 | return |
|
234 | return | |
235 |
|
235 | |||
236 | try: |
|
236 | try: | |
237 | r = enable(key) |
|
237 | r = enable(key) | |
238 | except ImportError: |
|
238 | except ImportError: | |
239 | self.log.warn("Eventloop or matplotlib integration failed. Is matplotlib installed?") |
|
239 | self.log.warn("Eventloop or matplotlib integration failed. Is matplotlib installed?") | |
240 | self.shell.showtraceback() |
|
240 | self.shell.showtraceback() | |
241 | return |
|
241 | return | |
242 | except Exception: |
|
242 | except Exception: | |
243 | self.log.warn("GUI event loop or pylab initialization failed") |
|
243 | self.log.warn("GUI event loop or pylab initialization failed") | |
244 | self.shell.showtraceback() |
|
244 | self.shell.showtraceback() | |
245 | return |
|
245 | return | |
246 |
|
246 | |||
247 | if isinstance(r, tuple): |
|
247 | if isinstance(r, tuple): | |
248 | gui, backend = r[:2] |
|
248 | gui, backend = r[:2] | |
249 | self.log.info("Enabling GUI event loop integration, " |
|
249 | self.log.info("Enabling GUI event loop integration, " | |
250 | "eventloop=%s, matplotlib=%s", gui, backend) |
|
250 | "eventloop=%s, matplotlib=%s", gui, backend) | |
251 | if key == "auto": |
|
251 | if key == "auto": | |
252 | print("Using matplotlib backend: %s" % backend) |
|
252 | print("Using matplotlib backend: %s" % backend) | |
253 | else: |
|
253 | else: | |
254 | gui = r |
|
254 | gui = r | |
255 | self.log.info("Enabling GUI event loop integration, " |
|
255 | self.log.info("Enabling GUI event loop integration, " | |
256 | "eventloop=%s", gui) |
|
256 | "eventloop=%s", gui) | |
257 |
|
257 | |||
258 | def init_extensions(self): |
|
258 | def init_extensions(self): | |
259 | """Load all IPython extensions in IPythonApp.extensions. |
|
259 | """Load all IPython extensions in IPythonApp.extensions. | |
260 |
|
260 | |||
261 | This uses the :meth:`ExtensionManager.load_extensions` to load all |
|
261 | This uses the :meth:`ExtensionManager.load_extensions` to load all | |
262 | the extensions listed in ``self.extensions``. |
|
262 | the extensions listed in ``self.extensions``. | |
263 | """ |
|
263 | """ | |
264 | try: |
|
264 | try: | |
265 | self.log.debug("Loading IPython extensions...") |
|
265 | self.log.debug("Loading IPython extensions...") | |
266 | extensions = self.default_extensions + self.extensions |
|
266 | extensions = self.default_extensions + self.extensions | |
267 | for ext in extensions: |
|
267 | for ext in extensions: | |
268 | try: |
|
268 | try: | |
269 | self.log.info("Loading IPython extension: %s" % ext) |
|
269 | self.log.info("Loading IPython extension: %s" % ext) | |
270 | self.shell.extension_manager.load_extension(ext) |
|
270 | self.shell.extension_manager.load_extension(ext) | |
271 | except: |
|
271 | except: | |
272 | self.log.warn("Error in loading extension: %s" % ext + |
|
272 | self.log.warn("Error in loading extension: %s" % ext + | |
273 | "\nCheck your config files in %s" % self.profile_dir.location |
|
273 | "\nCheck your config files in %s" % self.profile_dir.location | |
274 | ) |
|
274 | ) | |
275 | self.shell.showtraceback() |
|
275 | self.shell.showtraceback() | |
276 | except: |
|
276 | except: | |
277 | self.log.warn("Unknown error in loading extensions:") |
|
277 | self.log.warn("Unknown error in loading extensions:") | |
278 | self.shell.showtraceback() |
|
278 | self.shell.showtraceback() | |
279 |
|
279 | |||
280 | def init_code(self): |
|
280 | def init_code(self): | |
281 | """run the pre-flight code, specified via exec_lines""" |
|
281 | """run the pre-flight code, specified via exec_lines""" | |
282 | self._run_startup_files() |
|
282 | self._run_startup_files() | |
283 | self._run_exec_lines() |
|
283 | self._run_exec_lines() | |
284 | self._run_exec_files() |
|
284 | self._run_exec_files() | |
285 | self._run_cmd_line_code() |
|
285 | self._run_cmd_line_code() | |
286 | self._run_module() |
|
286 | self._run_module() | |
287 |
|
287 | |||
288 | # flush output, so itwon't be attached to the first cell |
|
288 | # flush output, so itwon't be attached to the first cell | |
289 | sys.stdout.flush() |
|
289 | sys.stdout.flush() | |
290 | sys.stderr.flush() |
|
290 | sys.stderr.flush() | |
291 |
|
291 | |||
292 | # Hide variables defined here from %who etc. |
|
292 | # Hide variables defined here from %who etc. | |
293 | self.shell.user_ns_hidden.update(self.shell.user_ns) |
|
293 | self.shell.user_ns_hidden.update(self.shell.user_ns) | |
294 |
|
294 | |||
295 | def _run_exec_lines(self): |
|
295 | def _run_exec_lines(self): | |
296 | """Run lines of code in IPythonApp.exec_lines in the user's namespace.""" |
|
296 | """Run lines of code in IPythonApp.exec_lines in the user's namespace.""" | |
297 | if not self.exec_lines: |
|
297 | if not self.exec_lines: | |
298 | return |
|
298 | return | |
299 | try: |
|
299 | try: | |
300 | self.log.debug("Running code from IPythonApp.exec_lines...") |
|
300 | self.log.debug("Running code from IPythonApp.exec_lines...") | |
301 | for line in self.exec_lines: |
|
301 | for line in self.exec_lines: | |
302 | try: |
|
302 | try: | |
303 | self.log.info("Running code in user namespace: %s" % |
|
303 | self.log.info("Running code in user namespace: %s" % | |
304 | line) |
|
304 | line) | |
305 | self.shell.run_cell(line, store_history=False) |
|
305 | self.shell.run_cell(line, store_history=False) | |
306 | except: |
|
306 | except: | |
307 | self.log.warn("Error in executing line in user " |
|
307 | self.log.warn("Error in executing line in user " | |
308 | "namespace: %s" % line) |
|
308 | "namespace: %s" % line) | |
309 | self.shell.showtraceback() |
|
309 | self.shell.showtraceback() | |
310 | except: |
|
310 | except: | |
311 | self.log.warn("Unknown error in handling IPythonApp.exec_lines:") |
|
311 | self.log.warn("Unknown error in handling IPythonApp.exec_lines:") | |
312 | self.shell.showtraceback() |
|
312 | self.shell.showtraceback() | |
313 |
|
313 | |||
314 | def _exec_file(self, fname): |
|
314 | def _exec_file(self, fname): | |
315 | try: |
|
315 | try: | |
316 | full_filename = filefind(fname, [u'.', self.ipython_dir]) |
|
316 | full_filename = filefind(fname, [u'.', self.ipython_dir]) | |
317 | except IOError as e: |
|
317 | except IOError as e: | |
318 | self.log.warn("File not found: %r"%fname) |
|
318 | self.log.warn("File not found: %r"%fname) | |
319 | return |
|
319 | return | |
320 | # Make sure that the running script gets a proper sys.argv as if it |
|
320 | # Make sure that the running script gets a proper sys.argv as if it | |
321 | # were run from a system shell. |
|
321 | # were run from a system shell. | |
322 | save_argv = sys.argv |
|
322 | save_argv = sys.argv | |
323 | sys.argv = [full_filename] + self.extra_args[1:] |
|
323 | sys.argv = [full_filename] + self.extra_args[1:] | |
324 | # protect sys.argv from potential unicode strings on Python 2: |
|
324 | # protect sys.argv from potential unicode strings on Python 2: | |
325 | if not py3compat.PY3: |
|
325 | if not py3compat.PY3: | |
326 | sys.argv = [ py3compat.cast_bytes(a) for a in sys.argv ] |
|
326 | sys.argv = [ py3compat.cast_bytes(a) for a in sys.argv ] | |
327 | try: |
|
327 | try: | |
328 | if os.path.isfile(full_filename): |
|
328 | if os.path.isfile(full_filename): | |
329 | self.log.info("Running file in user namespace: %s" % |
|
329 | self.log.info("Running file in user namespace: %s" % | |
330 | full_filename) |
|
330 | full_filename) | |
331 | # Ensure that __file__ is always defined to match Python |
|
331 | # Ensure that __file__ is always defined to match Python | |
332 | # behavior. |
|
332 | # behavior. | |
333 | with preserve_keys(self.shell.user_ns, '__file__'): |
|
333 | with preserve_keys(self.shell.user_ns, '__file__'): | |
334 | self.shell.user_ns['__file__'] = fname |
|
334 | self.shell.user_ns['__file__'] = fname | |
335 | if full_filename.endswith('.ipy'): |
|
335 | if full_filename.endswith('.ipy'): | |
336 | self.shell.safe_execfile_ipy(full_filename) |
|
336 | self.shell.safe_execfile_ipy(full_filename) | |
337 | else: |
|
337 | else: | |
338 | # default to python, even without extension |
|
338 | # default to python, even without extension | |
339 | self.shell.safe_execfile(full_filename, |
|
339 | self.shell.safe_execfile(full_filename, | |
340 | self.shell.user_ns) |
|
340 | self.shell.user_ns) | |
341 | finally: |
|
341 | finally: | |
342 | sys.argv = save_argv |
|
342 | sys.argv = save_argv | |
343 |
|
343 | |||
344 | def _run_startup_files(self): |
|
344 | def _run_startup_files(self): | |
345 | """Run files from profile startup directory""" |
|
345 | """Run files from profile startup directory""" | |
346 | startup_dir = self.profile_dir.startup_dir |
|
346 | startup_dir = self.profile_dir.startup_dir | |
347 | startup_files = [] |
|
347 | startup_files = [] | |
348 | if os.environ.get('PYTHONSTARTUP', False): |
|
348 | if os.environ.get('PYTHONSTARTUP', False): | |
349 | startup_files.append(os.environ['PYTHONSTARTUP']) |
|
349 | startup_files.append(os.environ['PYTHONSTARTUP']) | |
350 | startup_files += glob.glob(os.path.join(startup_dir, '*.py')) |
|
350 | startup_files += glob.glob(os.path.join(startup_dir, '*.py')) | |
351 | startup_files += glob.glob(os.path.join(startup_dir, '*.ipy')) |
|
351 | startup_files += glob.glob(os.path.join(startup_dir, '*.ipy')) | |
352 | if not startup_files: |
|
352 | if not startup_files: | |
353 | return |
|
353 | return | |
354 |
|
354 | |||
355 | self.log.debug("Running startup files from %s...", startup_dir) |
|
355 | self.log.debug("Running startup files from %s...", startup_dir) | |
356 | try: |
|
356 | try: | |
357 | for fname in sorted(startup_files): |
|
357 | for fname in sorted(startup_files): | |
358 | self._exec_file(fname) |
|
358 | self._exec_file(fname) | |
359 | except: |
|
359 | except: | |
360 | self.log.warn("Unknown error in handling startup files:") |
|
360 | self.log.warn("Unknown error in handling startup files:") | |
361 | self.shell.showtraceback() |
|
361 | self.shell.showtraceback() | |
362 |
|
362 | |||
363 | def _run_exec_files(self): |
|
363 | def _run_exec_files(self): | |
364 | """Run files from IPythonApp.exec_files""" |
|
364 | """Run files from IPythonApp.exec_files""" | |
365 | if not self.exec_files: |
|
365 | if not self.exec_files: | |
366 | return |
|
366 | return | |
367 |
|
367 | |||
368 | self.log.debug("Running files in IPythonApp.exec_files...") |
|
368 | self.log.debug("Running files in IPythonApp.exec_files...") | |
369 | try: |
|
369 | try: | |
370 | for fname in self.exec_files: |
|
370 | for fname in self.exec_files: | |
371 | self._exec_file(fname) |
|
371 | self._exec_file(fname) | |
372 | except: |
|
372 | except: | |
373 | self.log.warn("Unknown error in handling IPythonApp.exec_files:") |
|
373 | self.log.warn("Unknown error in handling IPythonApp.exec_files:") | |
374 | self.shell.showtraceback() |
|
374 | self.shell.showtraceback() | |
375 |
|
375 | |||
376 | def _run_cmd_line_code(self): |
|
376 | def _run_cmd_line_code(self): | |
377 | """Run code or file specified at the command-line""" |
|
377 | """Run code or file specified at the command-line""" | |
378 | if self.code_to_run: |
|
378 | if self.code_to_run: | |
379 | line = self.code_to_run |
|
379 | line = self.code_to_run | |
380 | try: |
|
380 | try: | |
381 | self.log.info("Running code given at command line (c=): %s" % |
|
381 | self.log.info("Running code given at command line (c=): %s" % | |
382 | line) |
|
382 | line) | |
383 | self.shell.run_cell(line, store_history=False) |
|
383 | self.shell.run_cell(line, store_history=False) | |
384 | except: |
|
384 | except: | |
385 | self.log.warn("Error in executing line in user namespace: %s" % |
|
385 | self.log.warn("Error in executing line in user namespace: %s" % | |
386 | line) |
|
386 | line) | |
387 | self.shell.showtraceback() |
|
387 | self.shell.showtraceback() | |
388 |
|
388 | |||
389 | # Like Python itself, ignore the second if the first of these is present |
|
389 | # Like Python itself, ignore the second if the first of these is present | |
390 | elif self.file_to_run: |
|
390 | elif self.file_to_run: | |
391 | fname = self.file_to_run |
|
391 | fname = self.file_to_run | |
392 | try: |
|
392 | try: | |
393 | self._exec_file(fname) |
|
393 | self._exec_file(fname) | |
394 | except: |
|
394 | except: | |
395 | self.log.warn("Error in executing file in user namespace: %s" % |
|
395 | self.log.warn("Error in executing file in user namespace: %s" % | |
396 | fname) |
|
396 | fname) | |
397 | self.shell.showtraceback() |
|
397 | self.shell.showtraceback() | |
398 |
|
398 | |||
399 | def _run_module(self): |
|
399 | def _run_module(self): | |
400 | """Run module specified at the command-line.""" |
|
400 | """Run module specified at the command-line.""" | |
401 | if self.module_to_run: |
|
401 | if self.module_to_run: | |
402 | # Make sure that the module gets a proper sys.argv as if it were |
|
402 | # Make sure that the module gets a proper sys.argv as if it were | |
403 | # run using `python -m`. |
|
403 | # run using `python -m`. | |
404 | save_argv = sys.argv |
|
404 | save_argv = sys.argv | |
405 | sys.argv = [sys.executable] + self.extra_args |
|
405 | sys.argv = [sys.executable] + self.extra_args | |
406 | try: |
|
406 | try: | |
407 | self.shell.safe_run_module(self.module_to_run, |
|
407 | self.shell.safe_run_module(self.module_to_run, | |
408 | self.shell.user_ns) |
|
408 | self.shell.user_ns) | |
409 | finally: |
|
409 | finally: | |
410 | sys.argv = save_argv |
|
410 | sys.argv = save_argv |
@@ -1,2109 +1,2112 b'' | |||||
1 | """ An abstract base class for console-type widgets. |
|
1 | """ An abstract base class for console-type widgets. | |
2 | """ |
|
2 | """ | |
3 | #----------------------------------------------------------------------------- |
|
3 | #----------------------------------------------------------------------------- | |
4 | # Imports |
|
4 | # Imports | |
5 | #----------------------------------------------------------------------------- |
|
5 | #----------------------------------------------------------------------------- | |
6 |
|
6 | |||
7 | # Standard library imports |
|
7 | # Standard library imports | |
8 | import os.path |
|
8 | import os.path | |
9 | import re |
|
9 | import re | |
10 | import sys |
|
10 | import sys | |
11 | from textwrap import dedent |
|
11 | from textwrap import dedent | |
12 | import time |
|
12 | import time | |
13 | from unicodedata import category |
|
13 | from unicodedata import category | |
14 | import webbrowser |
|
14 | import webbrowser | |
15 |
|
15 | |||
16 | # System library imports |
|
16 | # System library imports | |
17 | from IPython.external.qt import QtCore, QtGui |
|
17 | from IPython.external.qt import QtCore, QtGui | |
18 |
|
18 | |||
19 | # Local imports |
|
19 | # Local imports | |
20 | from IPython.config.configurable import LoggingConfigurable |
|
20 | from IPython.config.configurable import LoggingConfigurable | |
21 | from IPython.core.inputsplitter import ESC_SEQUENCES |
|
21 | from IPython.core.inputsplitter import ESC_SEQUENCES | |
22 | from IPython.qt.rich_text import HtmlExporter |
|
22 | from IPython.qt.rich_text import HtmlExporter | |
23 | from IPython.qt.util import MetaQObjectHasTraits, get_font |
|
23 | from IPython.qt.util import MetaQObjectHasTraits, get_font | |
24 | from IPython.utils.text import columnize |
|
24 | from IPython.utils.text import columnize | |
25 | from IPython.utils.traitlets import Bool, Enum, Integer, Unicode |
|
25 | from IPython.utils.traitlets import Bool, Enum, Integer, Unicode | |
26 | from .ansi_code_processor import QtAnsiCodeProcessor |
|
26 | from .ansi_code_processor import QtAnsiCodeProcessor | |
27 | from .completion_widget import CompletionWidget |
|
27 | from .completion_widget import CompletionWidget | |
28 | from .completion_html import CompletionHtml |
|
28 | from .completion_html import CompletionHtml | |
29 | from .completion_plain import CompletionPlain |
|
29 | from .completion_plain import CompletionPlain | |
30 | from .kill_ring import QtKillRing |
|
30 | from .kill_ring import QtKillRing | |
31 |
|
31 | |||
32 |
|
32 | |||
33 | #----------------------------------------------------------------------------- |
|
33 | #----------------------------------------------------------------------------- | |
34 | # Functions |
|
34 | # Functions | |
35 | #----------------------------------------------------------------------------- |
|
35 | #----------------------------------------------------------------------------- | |
36 |
|
36 | |||
37 | ESCAPE_CHARS = ''.join(ESC_SEQUENCES) |
|
37 | ESCAPE_CHARS = ''.join(ESC_SEQUENCES) | |
38 | ESCAPE_RE = re.compile("^["+ESCAPE_CHARS+"]+") |
|
38 | ESCAPE_RE = re.compile("^["+ESCAPE_CHARS+"]+") | |
39 |
|
39 | |||
40 | def commonprefix(items): |
|
40 | def commonprefix(items): | |
41 | """Get common prefix for completions |
|
41 | """Get common prefix for completions | |
42 |
|
42 | |||
43 | Return the longest common prefix of a list of strings, but with special |
|
43 | Return the longest common prefix of a list of strings, but with special | |
44 | treatment of escape characters that might precede commands in IPython, |
|
44 | treatment of escape characters that might precede commands in IPython, | |
45 | such as %magic functions. Used in tab completion. |
|
45 | such as %magic functions. Used in tab completion. | |
46 |
|
46 | |||
47 | For a more general function, see os.path.commonprefix |
|
47 | For a more general function, see os.path.commonprefix | |
48 | """ |
|
48 | """ | |
49 | # the last item will always have the least leading % symbol |
|
49 | # the last item will always have the least leading % symbol | |
50 | # min / max are first/last in alphabetical order |
|
50 | # min / max are first/last in alphabetical order | |
51 | first_match = ESCAPE_RE.match(min(items)) |
|
51 | first_match = ESCAPE_RE.match(min(items)) | |
52 | last_match = ESCAPE_RE.match(max(items)) |
|
52 | last_match = ESCAPE_RE.match(max(items)) | |
53 | # common suffix is (common prefix of reversed items) reversed |
|
53 | # common suffix is (common prefix of reversed items) reversed | |
54 | if first_match and last_match: |
|
54 | if first_match and last_match: | |
55 | prefix = os.path.commonprefix((first_match.group(0)[::-1], last_match.group(0)[::-1]))[::-1] |
|
55 | prefix = os.path.commonprefix((first_match.group(0)[::-1], last_match.group(0)[::-1]))[::-1] | |
56 | else: |
|
56 | else: | |
57 | prefix = '' |
|
57 | prefix = '' | |
58 |
|
58 | |||
59 | items = [s.lstrip(ESCAPE_CHARS) for s in items] |
|
59 | items = [s.lstrip(ESCAPE_CHARS) for s in items] | |
60 | return prefix+os.path.commonprefix(items) |
|
60 | return prefix+os.path.commonprefix(items) | |
61 |
|
61 | |||
62 | def is_letter_or_number(char): |
|
62 | def is_letter_or_number(char): | |
63 | """ Returns whether the specified unicode character is a letter or a number. |
|
63 | """ Returns whether the specified unicode character is a letter or a number. | |
64 | """ |
|
64 | """ | |
65 | cat = category(char) |
|
65 | cat = category(char) | |
66 | return cat.startswith('L') or cat.startswith('N') |
|
66 | return cat.startswith('L') or cat.startswith('N') | |
67 |
|
67 | |||
68 | #----------------------------------------------------------------------------- |
|
68 | #----------------------------------------------------------------------------- | |
69 | # Classes |
|
69 | # Classes | |
70 | #----------------------------------------------------------------------------- |
|
70 | #----------------------------------------------------------------------------- | |
71 |
|
71 | |||
72 | class ConsoleWidget(MetaQObjectHasTraits('NewBase', (LoggingConfigurable, QtGui.QWidget), {})): |
|
72 | class ConsoleWidget(MetaQObjectHasTraits('NewBase', (LoggingConfigurable, QtGui.QWidget), {})): | |
73 | """ An abstract base class for console-type widgets. This class has |
|
73 | """ An abstract base class for console-type widgets. This class has | |
74 | functionality for: |
|
74 | functionality for: | |
75 |
|
75 | |||
76 | * Maintaining a prompt and editing region |
|
76 | * Maintaining a prompt and editing region | |
77 | * Providing the traditional Unix-style console keyboard shortcuts |
|
77 | * Providing the traditional Unix-style console keyboard shortcuts | |
78 | * Performing tab completion |
|
78 | * Performing tab completion | |
79 | * Paging text |
|
79 | * Paging text | |
80 | * Handling ANSI escape codes |
|
80 | * Handling ANSI escape codes | |
81 |
|
81 | |||
82 | ConsoleWidget also provides a number of utility methods that will be |
|
82 | ConsoleWidget also provides a number of utility methods that will be | |
83 | convenient to implementors of a console-style widget. |
|
83 | convenient to implementors of a console-style widget. | |
84 | """ |
|
84 | """ | |
85 |
|
85 | |||
86 | #------ Configuration ------------------------------------------------------ |
|
86 | #------ Configuration ------------------------------------------------------ | |
87 |
|
87 | |||
88 | ansi_codes = Bool(True, config=True, |
|
88 | ansi_codes = Bool(True, config=True, | |
89 | help="Whether to process ANSI escape codes." |
|
89 | help="Whether to process ANSI escape codes." | |
90 | ) |
|
90 | ) | |
91 | buffer_size = Integer(500, config=True, |
|
91 | buffer_size = Integer(500, config=True, | |
92 | help=""" |
|
92 | help=""" | |
93 | The maximum number of lines of text before truncation. Specifying a |
|
93 | The maximum number of lines of text before truncation. Specifying a | |
94 | non-positive number disables text truncation (not recommended). |
|
94 | non-positive number disables text truncation (not recommended). | |
95 | """ |
|
95 | """ | |
96 | ) |
|
96 | ) | |
97 | execute_on_complete_input = Bool(True, config=True, |
|
97 | execute_on_complete_input = Bool(True, config=True, | |
98 | help="""Whether to automatically execute on syntactically complete input. |
|
98 | help="""Whether to automatically execute on syntactically complete input. | |
99 |
|
99 | |||
100 | If False, Shift-Enter is required to submit each execution. |
|
100 | If False, Shift-Enter is required to submit each execution. | |
101 | Disabling this is mainly useful for non-Python kernels, |
|
101 | Disabling this is mainly useful for non-Python kernels, | |
102 | where the completion check would be wrong. |
|
102 | where the completion check would be wrong. | |
103 | """ |
|
103 | """ | |
104 | ) |
|
104 | ) | |
105 | gui_completion = Enum(['plain', 'droplist', 'ncurses'], config=True, |
|
105 | gui_completion = Enum(['plain', 'droplist', 'ncurses'], config=True, | |
106 | default_value = 'ncurses', |
|
106 | default_value = 'ncurses', | |
107 | help=""" |
|
107 | help=""" | |
108 | The type of completer to use. Valid values are: |
|
108 | The type of completer to use. Valid values are: | |
109 |
|
109 | |||
110 | 'plain' : Show the available completion as a text list |
|
110 | 'plain' : Show the available completion as a text list | |
111 | Below the editing area. |
|
111 | Below the editing area. | |
112 | 'droplist': Show the completion in a drop down list navigable |
|
112 | 'droplist': Show the completion in a drop down list navigable | |
113 | by the arrow keys, and from which you can select |
|
113 | by the arrow keys, and from which you can select | |
114 | completion by pressing Return. |
|
114 | completion by pressing Return. | |
115 | 'ncurses' : Show the completion as a text list which is navigable by |
|
115 | 'ncurses' : Show the completion as a text list which is navigable by | |
116 | `tab` and arrow keys. |
|
116 | `tab` and arrow keys. | |
117 | """ |
|
117 | """ | |
118 | ) |
|
118 | ) | |
119 | # NOTE: this value can only be specified during initialization. |
|
119 | # NOTE: this value can only be specified during initialization. | |
120 | kind = Enum(['plain', 'rich'], default_value='plain', config=True, |
|
120 | kind = Enum(['plain', 'rich'], default_value='plain', config=True, | |
121 | help=""" |
|
121 | help=""" | |
122 | The type of underlying text widget to use. Valid values are 'plain', |
|
122 | The type of underlying text widget to use. Valid values are 'plain', | |
123 | which specifies a QPlainTextEdit, and 'rich', which specifies a |
|
123 | which specifies a QPlainTextEdit, and 'rich', which specifies a | |
124 | QTextEdit. |
|
124 | QTextEdit. | |
125 | """ |
|
125 | """ | |
126 | ) |
|
126 | ) | |
127 | # NOTE: this value can only be specified during initialization. |
|
127 | # NOTE: this value can only be specified during initialization. | |
128 | paging = Enum(['inside', 'hsplit', 'vsplit', 'custom', 'none'], |
|
128 | paging = Enum(['inside', 'hsplit', 'vsplit', 'custom', 'none'], | |
129 | default_value='inside', config=True, |
|
129 | default_value='inside', config=True, | |
130 | help=""" |
|
130 | help=""" | |
131 | The type of paging to use. Valid values are: |
|
131 | The type of paging to use. Valid values are: | |
132 |
|
132 | |||
133 | 'inside' : The widget pages like a traditional terminal. |
|
133 | 'inside' | |
134 | 'hsplit' : When paging is requested, the widget is split |
|
134 | The widget pages like a traditional terminal. | |
135 | horizontally. The top pane contains the console, and the |
|
135 | 'hsplit' | |
136 | bottom pane contains the paged text. |
|
136 | When paging is requested, the widget is split horizontally. The top | |
137 | 'vsplit' : Similar to 'hsplit', except that a vertical splitter |
|
137 | pane contains the console, and the bottom pane contains the paged text. | |
138 | used. |
|
138 | 'vsplit' | |
139 | 'custom' : No action is taken by the widget beyond emitting a |
|
139 | Similar to 'hsplit', except that a vertical splitter is used. | |
140 | 'custom_page_requested(str)' signal. |
|
140 | 'custom' | |
141 | 'none' : The text is written directly to the console. |
|
141 | No action is taken by the widget beyond emitting a | |
|
142 | 'custom_page_requested(str)' signal. | |||
|
143 | 'none' | |||
|
144 | The text is written directly to the console. | |||
142 | """) |
|
145 | """) | |
143 |
|
146 | |||
144 | font_family = Unicode(config=True, |
|
147 | font_family = Unicode(config=True, | |
145 | help="""The font family to use for the console. |
|
148 | help="""The font family to use for the console. | |
146 | On OSX this defaults to Monaco, on Windows the default is |
|
149 | On OSX this defaults to Monaco, on Windows the default is | |
147 | Consolas with fallback of Courier, and on other platforms |
|
150 | Consolas with fallback of Courier, and on other platforms | |
148 | the default is Monospace. |
|
151 | the default is Monospace. | |
149 | """) |
|
152 | """) | |
150 | def _font_family_default(self): |
|
153 | def _font_family_default(self): | |
151 | if sys.platform == 'win32': |
|
154 | if sys.platform == 'win32': | |
152 | # Consolas ships with Vista/Win7, fallback to Courier if needed |
|
155 | # Consolas ships with Vista/Win7, fallback to Courier if needed | |
153 | return 'Consolas' |
|
156 | return 'Consolas' | |
154 | elif sys.platform == 'darwin': |
|
157 | elif sys.platform == 'darwin': | |
155 | # OSX always has Monaco, no need for a fallback |
|
158 | # OSX always has Monaco, no need for a fallback | |
156 | return 'Monaco' |
|
159 | return 'Monaco' | |
157 | else: |
|
160 | else: | |
158 | # Monospace should always exist, no need for a fallback |
|
161 | # Monospace should always exist, no need for a fallback | |
159 | return 'Monospace' |
|
162 | return 'Monospace' | |
160 |
|
163 | |||
161 | font_size = Integer(config=True, |
|
164 | font_size = Integer(config=True, | |
162 | help="""The font size. If unconfigured, Qt will be entrusted |
|
165 | help="""The font size. If unconfigured, Qt will be entrusted | |
163 | with the size of the font. |
|
166 | with the size of the font. | |
164 | """) |
|
167 | """) | |
165 |
|
168 | |||
166 | width = Integer(81, config=True, |
|
169 | width = Integer(81, config=True, | |
167 | help="""The width of the console at start time in number |
|
170 | help="""The width of the console at start time in number | |
168 | of characters (will double with `hsplit` paging) |
|
171 | of characters (will double with `hsplit` paging) | |
169 | """) |
|
172 | """) | |
170 |
|
173 | |||
171 | height = Integer(25, config=True, |
|
174 | height = Integer(25, config=True, | |
172 | help="""The height of the console at start time in number |
|
175 | help="""The height of the console at start time in number | |
173 | of characters (will double with `vsplit` paging) |
|
176 | of characters (will double with `vsplit` paging) | |
174 | """) |
|
177 | """) | |
175 |
|
178 | |||
176 | # Whether to override ShortcutEvents for the keybindings defined by this |
|
179 | # Whether to override ShortcutEvents for the keybindings defined by this | |
177 | # widget (Ctrl+n, Ctrl+a, etc). Enable this if you want this widget to take |
|
180 | # widget (Ctrl+n, Ctrl+a, etc). Enable this if you want this widget to take | |
178 | # priority (when it has focus) over, e.g., window-level menu shortcuts. |
|
181 | # priority (when it has focus) over, e.g., window-level menu shortcuts. | |
179 | override_shortcuts = Bool(False) |
|
182 | override_shortcuts = Bool(False) | |
180 |
|
183 | |||
181 | # ------ Custom Qt Widgets ------------------------------------------------- |
|
184 | # ------ Custom Qt Widgets ------------------------------------------------- | |
182 |
|
185 | |||
183 | # For other projects to easily override the Qt widgets used by the console |
|
186 | # For other projects to easily override the Qt widgets used by the console | |
184 | # (e.g. Spyder) |
|
187 | # (e.g. Spyder) | |
185 | custom_control = None |
|
188 | custom_control = None | |
186 | custom_page_control = None |
|
189 | custom_page_control = None | |
187 |
|
190 | |||
188 | #------ Signals ------------------------------------------------------------ |
|
191 | #------ Signals ------------------------------------------------------------ | |
189 |
|
192 | |||
190 | # Signals that indicate ConsoleWidget state. |
|
193 | # Signals that indicate ConsoleWidget state. | |
191 | copy_available = QtCore.Signal(bool) |
|
194 | copy_available = QtCore.Signal(bool) | |
192 | redo_available = QtCore.Signal(bool) |
|
195 | redo_available = QtCore.Signal(bool) | |
193 | undo_available = QtCore.Signal(bool) |
|
196 | undo_available = QtCore.Signal(bool) | |
194 |
|
197 | |||
195 | # Signal emitted when paging is needed and the paging style has been |
|
198 | # Signal emitted when paging is needed and the paging style has been | |
196 | # specified as 'custom'. |
|
199 | # specified as 'custom'. | |
197 | custom_page_requested = QtCore.Signal(object) |
|
200 | custom_page_requested = QtCore.Signal(object) | |
198 |
|
201 | |||
199 | # Signal emitted when the font is changed. |
|
202 | # Signal emitted when the font is changed. | |
200 | font_changed = QtCore.Signal(QtGui.QFont) |
|
203 | font_changed = QtCore.Signal(QtGui.QFont) | |
201 |
|
204 | |||
202 | #------ Protected class variables ------------------------------------------ |
|
205 | #------ Protected class variables ------------------------------------------ | |
203 |
|
206 | |||
204 | # control handles |
|
207 | # control handles | |
205 | _control = None |
|
208 | _control = None | |
206 | _page_control = None |
|
209 | _page_control = None | |
207 | _splitter = None |
|
210 | _splitter = None | |
208 |
|
211 | |||
209 | # When the control key is down, these keys are mapped. |
|
212 | # When the control key is down, these keys are mapped. | |
210 | _ctrl_down_remap = { QtCore.Qt.Key_B : QtCore.Qt.Key_Left, |
|
213 | _ctrl_down_remap = { QtCore.Qt.Key_B : QtCore.Qt.Key_Left, | |
211 | QtCore.Qt.Key_F : QtCore.Qt.Key_Right, |
|
214 | QtCore.Qt.Key_F : QtCore.Qt.Key_Right, | |
212 | QtCore.Qt.Key_A : QtCore.Qt.Key_Home, |
|
215 | QtCore.Qt.Key_A : QtCore.Qt.Key_Home, | |
213 | QtCore.Qt.Key_P : QtCore.Qt.Key_Up, |
|
216 | QtCore.Qt.Key_P : QtCore.Qt.Key_Up, | |
214 | QtCore.Qt.Key_N : QtCore.Qt.Key_Down, |
|
217 | QtCore.Qt.Key_N : QtCore.Qt.Key_Down, | |
215 | QtCore.Qt.Key_H : QtCore.Qt.Key_Backspace, } |
|
218 | QtCore.Qt.Key_H : QtCore.Qt.Key_Backspace, } | |
216 | if not sys.platform == 'darwin': |
|
219 | if not sys.platform == 'darwin': | |
217 | # On OS X, Ctrl-E already does the right thing, whereas End moves the |
|
220 | # On OS X, Ctrl-E already does the right thing, whereas End moves the | |
218 | # cursor to the bottom of the buffer. |
|
221 | # cursor to the bottom of the buffer. | |
219 | _ctrl_down_remap[QtCore.Qt.Key_E] = QtCore.Qt.Key_End |
|
222 | _ctrl_down_remap[QtCore.Qt.Key_E] = QtCore.Qt.Key_End | |
220 |
|
223 | |||
221 | # The shortcuts defined by this widget. We need to keep track of these to |
|
224 | # The shortcuts defined by this widget. We need to keep track of these to | |
222 | # support 'override_shortcuts' above. |
|
225 | # support 'override_shortcuts' above. | |
223 | _shortcuts = set(_ctrl_down_remap.keys()) | \ |
|
226 | _shortcuts = set(_ctrl_down_remap.keys()) | \ | |
224 | { QtCore.Qt.Key_C, QtCore.Qt.Key_G, QtCore.Qt.Key_O, |
|
227 | { QtCore.Qt.Key_C, QtCore.Qt.Key_G, QtCore.Qt.Key_O, | |
225 | QtCore.Qt.Key_V } |
|
228 | QtCore.Qt.Key_V } | |
226 |
|
229 | |||
227 | _temp_buffer_filled = False |
|
230 | _temp_buffer_filled = False | |
228 |
|
231 | |||
229 | #--------------------------------------------------------------------------- |
|
232 | #--------------------------------------------------------------------------- | |
230 | # 'QObject' interface |
|
233 | # 'QObject' interface | |
231 | #--------------------------------------------------------------------------- |
|
234 | #--------------------------------------------------------------------------- | |
232 |
|
235 | |||
233 | def __init__(self, parent=None, **kw): |
|
236 | def __init__(self, parent=None, **kw): | |
234 | """ Create a ConsoleWidget. |
|
237 | """ Create a ConsoleWidget. | |
235 |
|
238 | |||
236 | Parameters: |
|
239 | Parameters: | |
237 | ----------- |
|
240 | ----------- | |
238 | parent : QWidget, optional [default None] |
|
241 | parent : QWidget, optional [default None] | |
239 | The parent for this widget. |
|
242 | The parent for this widget. | |
240 | """ |
|
243 | """ | |
241 | QtGui.QWidget.__init__(self, parent) |
|
244 | QtGui.QWidget.__init__(self, parent) | |
242 | LoggingConfigurable.__init__(self, **kw) |
|
245 | LoggingConfigurable.__init__(self, **kw) | |
243 |
|
246 | |||
244 | # While scrolling the pager on Mac OS X, it tears badly. The |
|
247 | # While scrolling the pager on Mac OS X, it tears badly. The | |
245 | # NativeGesture is platform and perhaps build-specific hence |
|
248 | # NativeGesture is platform and perhaps build-specific hence | |
246 | # we take adequate precautions here. |
|
249 | # we take adequate precautions here. | |
247 | self._pager_scroll_events = [QtCore.QEvent.Wheel] |
|
250 | self._pager_scroll_events = [QtCore.QEvent.Wheel] | |
248 | if hasattr(QtCore.QEvent, 'NativeGesture'): |
|
251 | if hasattr(QtCore.QEvent, 'NativeGesture'): | |
249 | self._pager_scroll_events.append(QtCore.QEvent.NativeGesture) |
|
252 | self._pager_scroll_events.append(QtCore.QEvent.NativeGesture) | |
250 |
|
253 | |||
251 | # Create the layout and underlying text widget. |
|
254 | # Create the layout and underlying text widget. | |
252 | layout = QtGui.QStackedLayout(self) |
|
255 | layout = QtGui.QStackedLayout(self) | |
253 | layout.setContentsMargins(0, 0, 0, 0) |
|
256 | layout.setContentsMargins(0, 0, 0, 0) | |
254 | self._control = self._create_control() |
|
257 | self._control = self._create_control() | |
255 | if self.paging in ('hsplit', 'vsplit'): |
|
258 | if self.paging in ('hsplit', 'vsplit'): | |
256 | self._splitter = QtGui.QSplitter() |
|
259 | self._splitter = QtGui.QSplitter() | |
257 | if self.paging == 'hsplit': |
|
260 | if self.paging == 'hsplit': | |
258 | self._splitter.setOrientation(QtCore.Qt.Horizontal) |
|
261 | self._splitter.setOrientation(QtCore.Qt.Horizontal) | |
259 | else: |
|
262 | else: | |
260 | self._splitter.setOrientation(QtCore.Qt.Vertical) |
|
263 | self._splitter.setOrientation(QtCore.Qt.Vertical) | |
261 | self._splitter.addWidget(self._control) |
|
264 | self._splitter.addWidget(self._control) | |
262 | layout.addWidget(self._splitter) |
|
265 | layout.addWidget(self._splitter) | |
263 | else: |
|
266 | else: | |
264 | layout.addWidget(self._control) |
|
267 | layout.addWidget(self._control) | |
265 |
|
268 | |||
266 | # Create the paging widget, if necessary. |
|
269 | # Create the paging widget, if necessary. | |
267 | if self.paging in ('inside', 'hsplit', 'vsplit'): |
|
270 | if self.paging in ('inside', 'hsplit', 'vsplit'): | |
268 | self._page_control = self._create_page_control() |
|
271 | self._page_control = self._create_page_control() | |
269 | if self._splitter: |
|
272 | if self._splitter: | |
270 | self._page_control.hide() |
|
273 | self._page_control.hide() | |
271 | self._splitter.addWidget(self._page_control) |
|
274 | self._splitter.addWidget(self._page_control) | |
272 | else: |
|
275 | else: | |
273 | layout.addWidget(self._page_control) |
|
276 | layout.addWidget(self._page_control) | |
274 |
|
277 | |||
275 | # Initialize protected variables. Some variables contain useful state |
|
278 | # Initialize protected variables. Some variables contain useful state | |
276 | # information for subclasses; they should be considered read-only. |
|
279 | # information for subclasses; they should be considered read-only. | |
277 | self._append_before_prompt_pos = 0 |
|
280 | self._append_before_prompt_pos = 0 | |
278 | self._ansi_processor = QtAnsiCodeProcessor() |
|
281 | self._ansi_processor = QtAnsiCodeProcessor() | |
279 | if self.gui_completion == 'ncurses': |
|
282 | if self.gui_completion == 'ncurses': | |
280 | self._completion_widget = CompletionHtml(self) |
|
283 | self._completion_widget = CompletionHtml(self) | |
281 | elif self.gui_completion == 'droplist': |
|
284 | elif self.gui_completion == 'droplist': | |
282 | self._completion_widget = CompletionWidget(self) |
|
285 | self._completion_widget = CompletionWidget(self) | |
283 | elif self.gui_completion == 'plain': |
|
286 | elif self.gui_completion == 'plain': | |
284 | self._completion_widget = CompletionPlain(self) |
|
287 | self._completion_widget = CompletionPlain(self) | |
285 |
|
288 | |||
286 | self._continuation_prompt = '> ' |
|
289 | self._continuation_prompt = '> ' | |
287 | self._continuation_prompt_html = None |
|
290 | self._continuation_prompt_html = None | |
288 | self._executing = False |
|
291 | self._executing = False | |
289 | self._filter_resize = False |
|
292 | self._filter_resize = False | |
290 | self._html_exporter = HtmlExporter(self._control) |
|
293 | self._html_exporter = HtmlExporter(self._control) | |
291 | self._input_buffer_executing = '' |
|
294 | self._input_buffer_executing = '' | |
292 | self._input_buffer_pending = '' |
|
295 | self._input_buffer_pending = '' | |
293 | self._kill_ring = QtKillRing(self._control) |
|
296 | self._kill_ring = QtKillRing(self._control) | |
294 | self._prompt = '' |
|
297 | self._prompt = '' | |
295 | self._prompt_html = None |
|
298 | self._prompt_html = None | |
296 | self._prompt_pos = 0 |
|
299 | self._prompt_pos = 0 | |
297 | self._prompt_sep = '' |
|
300 | self._prompt_sep = '' | |
298 | self._reading = False |
|
301 | self._reading = False | |
299 | self._reading_callback = None |
|
302 | self._reading_callback = None | |
300 | self._tab_width = 8 |
|
303 | self._tab_width = 8 | |
301 |
|
304 | |||
302 | # List of strings pending to be appended as plain text in the widget. |
|
305 | # List of strings pending to be appended as plain text in the widget. | |
303 | # The text is not immediately inserted when available to not |
|
306 | # The text is not immediately inserted when available to not | |
304 | # choke the Qt event loop with paint events for the widget in |
|
307 | # choke the Qt event loop with paint events for the widget in | |
305 | # case of lots of output from kernel. |
|
308 | # case of lots of output from kernel. | |
306 | self._pending_insert_text = [] |
|
309 | self._pending_insert_text = [] | |
307 |
|
310 | |||
308 | # Timer to flush the pending stream messages. The interval is adjusted |
|
311 | # Timer to flush the pending stream messages. The interval is adjusted | |
309 | # later based on actual time taken for flushing a screen (buffer_size) |
|
312 | # later based on actual time taken for flushing a screen (buffer_size) | |
310 | # of output text. |
|
313 | # of output text. | |
311 | self._pending_text_flush_interval = QtCore.QTimer(self._control) |
|
314 | self._pending_text_flush_interval = QtCore.QTimer(self._control) | |
312 | self._pending_text_flush_interval.setInterval(100) |
|
315 | self._pending_text_flush_interval.setInterval(100) | |
313 | self._pending_text_flush_interval.setSingleShot(True) |
|
316 | self._pending_text_flush_interval.setSingleShot(True) | |
314 | self._pending_text_flush_interval.timeout.connect( |
|
317 | self._pending_text_flush_interval.timeout.connect( | |
315 | self._flush_pending_stream) |
|
318 | self._flush_pending_stream) | |
316 |
|
319 | |||
317 | # Set a monospaced font. |
|
320 | # Set a monospaced font. | |
318 | self.reset_font() |
|
321 | self.reset_font() | |
319 |
|
322 | |||
320 | # Configure actions. |
|
323 | # Configure actions. | |
321 | action = QtGui.QAction('Print', None) |
|
324 | action = QtGui.QAction('Print', None) | |
322 | action.setEnabled(True) |
|
325 | action.setEnabled(True) | |
323 | printkey = QtGui.QKeySequence(QtGui.QKeySequence.Print) |
|
326 | printkey = QtGui.QKeySequence(QtGui.QKeySequence.Print) | |
324 | if printkey.matches("Ctrl+P") and sys.platform != 'darwin': |
|
327 | if printkey.matches("Ctrl+P") and sys.platform != 'darwin': | |
325 | # Only override the default if there is a collision. |
|
328 | # Only override the default if there is a collision. | |
326 | # Qt ctrl = cmd on OSX, so the match gets a false positive on OSX. |
|
329 | # Qt ctrl = cmd on OSX, so the match gets a false positive on OSX. | |
327 | printkey = "Ctrl+Shift+P" |
|
330 | printkey = "Ctrl+Shift+P" | |
328 | action.setShortcut(printkey) |
|
331 | action.setShortcut(printkey) | |
329 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) |
|
332 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) | |
330 | action.triggered.connect(self.print_) |
|
333 | action.triggered.connect(self.print_) | |
331 | self.addAction(action) |
|
334 | self.addAction(action) | |
332 | self.print_action = action |
|
335 | self.print_action = action | |
333 |
|
336 | |||
334 | action = QtGui.QAction('Save as HTML/XML', None) |
|
337 | action = QtGui.QAction('Save as HTML/XML', None) | |
335 | action.setShortcut(QtGui.QKeySequence.Save) |
|
338 | action.setShortcut(QtGui.QKeySequence.Save) | |
336 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) |
|
339 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) | |
337 | action.triggered.connect(self.export_html) |
|
340 | action.triggered.connect(self.export_html) | |
338 | self.addAction(action) |
|
341 | self.addAction(action) | |
339 | self.export_action = action |
|
342 | self.export_action = action | |
340 |
|
343 | |||
341 | action = QtGui.QAction('Select All', None) |
|
344 | action = QtGui.QAction('Select All', None) | |
342 | action.setEnabled(True) |
|
345 | action.setEnabled(True) | |
343 | selectall = QtGui.QKeySequence(QtGui.QKeySequence.SelectAll) |
|
346 | selectall = QtGui.QKeySequence(QtGui.QKeySequence.SelectAll) | |
344 | if selectall.matches("Ctrl+A") and sys.platform != 'darwin': |
|
347 | if selectall.matches("Ctrl+A") and sys.platform != 'darwin': | |
345 | # Only override the default if there is a collision. |
|
348 | # Only override the default if there is a collision. | |
346 | # Qt ctrl = cmd on OSX, so the match gets a false positive on OSX. |
|
349 | # Qt ctrl = cmd on OSX, so the match gets a false positive on OSX. | |
347 | selectall = "Ctrl+Shift+A" |
|
350 | selectall = "Ctrl+Shift+A" | |
348 | action.setShortcut(selectall) |
|
351 | action.setShortcut(selectall) | |
349 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) |
|
352 | action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut) | |
350 | action.triggered.connect(self.select_all) |
|
353 | action.triggered.connect(self.select_all) | |
351 | self.addAction(action) |
|
354 | self.addAction(action) | |
352 | self.select_all_action = action |
|
355 | self.select_all_action = action | |
353 |
|
356 | |||
354 | self.increase_font_size = QtGui.QAction("Bigger Font", |
|
357 | self.increase_font_size = QtGui.QAction("Bigger Font", | |
355 | self, |
|
358 | self, | |
356 | shortcut=QtGui.QKeySequence.ZoomIn, |
|
359 | shortcut=QtGui.QKeySequence.ZoomIn, | |
357 | shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut, |
|
360 | shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut, | |
358 | statusTip="Increase the font size by one point", |
|
361 | statusTip="Increase the font size by one point", | |
359 | triggered=self._increase_font_size) |
|
362 | triggered=self._increase_font_size) | |
360 | self.addAction(self.increase_font_size) |
|
363 | self.addAction(self.increase_font_size) | |
361 |
|
364 | |||
362 | self.decrease_font_size = QtGui.QAction("Smaller Font", |
|
365 | self.decrease_font_size = QtGui.QAction("Smaller Font", | |
363 | self, |
|
366 | self, | |
364 | shortcut=QtGui.QKeySequence.ZoomOut, |
|
367 | shortcut=QtGui.QKeySequence.ZoomOut, | |
365 | shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut, |
|
368 | shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut, | |
366 | statusTip="Decrease the font size by one point", |
|
369 | statusTip="Decrease the font size by one point", | |
367 | triggered=self._decrease_font_size) |
|
370 | triggered=self._decrease_font_size) | |
368 | self.addAction(self.decrease_font_size) |
|
371 | self.addAction(self.decrease_font_size) | |
369 |
|
372 | |||
370 | self.reset_font_size = QtGui.QAction("Normal Font", |
|
373 | self.reset_font_size = QtGui.QAction("Normal Font", | |
371 | self, |
|
374 | self, | |
372 | shortcut="Ctrl+0", |
|
375 | shortcut="Ctrl+0", | |
373 | shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut, |
|
376 | shortcutContext=QtCore.Qt.WidgetWithChildrenShortcut, | |
374 | statusTip="Restore the Normal font size", |
|
377 | statusTip="Restore the Normal font size", | |
375 | triggered=self.reset_font) |
|
378 | triggered=self.reset_font) | |
376 | self.addAction(self.reset_font_size) |
|
379 | self.addAction(self.reset_font_size) | |
377 |
|
380 | |||
378 | # Accept drag and drop events here. Drops were already turned off |
|
381 | # Accept drag and drop events here. Drops were already turned off | |
379 | # in self._control when that widget was created. |
|
382 | # in self._control when that widget was created. | |
380 | self.setAcceptDrops(True) |
|
383 | self.setAcceptDrops(True) | |
381 |
|
384 | |||
382 | #--------------------------------------------------------------------------- |
|
385 | #--------------------------------------------------------------------------- | |
383 | # Drag and drop support |
|
386 | # Drag and drop support | |
384 | #--------------------------------------------------------------------------- |
|
387 | #--------------------------------------------------------------------------- | |
385 |
|
388 | |||
386 | def dragEnterEvent(self, e): |
|
389 | def dragEnterEvent(self, e): | |
387 | if e.mimeData().hasUrls(): |
|
390 | if e.mimeData().hasUrls(): | |
388 | # The link action should indicate to that the drop will insert |
|
391 | # The link action should indicate to that the drop will insert | |
389 | # the file anme. |
|
392 | # the file anme. | |
390 | e.setDropAction(QtCore.Qt.LinkAction) |
|
393 | e.setDropAction(QtCore.Qt.LinkAction) | |
391 | e.accept() |
|
394 | e.accept() | |
392 | elif e.mimeData().hasText(): |
|
395 | elif e.mimeData().hasText(): | |
393 | # By changing the action to copy we don't need to worry about |
|
396 | # By changing the action to copy we don't need to worry about | |
394 | # the user accidentally moving text around in the widget. |
|
397 | # the user accidentally moving text around in the widget. | |
395 | e.setDropAction(QtCore.Qt.CopyAction) |
|
398 | e.setDropAction(QtCore.Qt.CopyAction) | |
396 | e.accept() |
|
399 | e.accept() | |
397 |
|
400 | |||
398 | def dragMoveEvent(self, e): |
|
401 | def dragMoveEvent(self, e): | |
399 | if e.mimeData().hasUrls(): |
|
402 | if e.mimeData().hasUrls(): | |
400 | pass |
|
403 | pass | |
401 | elif e.mimeData().hasText(): |
|
404 | elif e.mimeData().hasText(): | |
402 | cursor = self._control.cursorForPosition(e.pos()) |
|
405 | cursor = self._control.cursorForPosition(e.pos()) | |
403 | if self._in_buffer(cursor.position()): |
|
406 | if self._in_buffer(cursor.position()): | |
404 | e.setDropAction(QtCore.Qt.CopyAction) |
|
407 | e.setDropAction(QtCore.Qt.CopyAction) | |
405 | self._control.setTextCursor(cursor) |
|
408 | self._control.setTextCursor(cursor) | |
406 | else: |
|
409 | else: | |
407 | e.setDropAction(QtCore.Qt.IgnoreAction) |
|
410 | e.setDropAction(QtCore.Qt.IgnoreAction) | |
408 | e.accept() |
|
411 | e.accept() | |
409 |
|
412 | |||
410 | def dropEvent(self, e): |
|
413 | def dropEvent(self, e): | |
411 | if e.mimeData().hasUrls(): |
|
414 | if e.mimeData().hasUrls(): | |
412 | self._keep_cursor_in_buffer() |
|
415 | self._keep_cursor_in_buffer() | |
413 | cursor = self._control.textCursor() |
|
416 | cursor = self._control.textCursor() | |
414 | filenames = [url.toLocalFile() for url in e.mimeData().urls()] |
|
417 | filenames = [url.toLocalFile() for url in e.mimeData().urls()] | |
415 | text = ', '.join("'" + f.replace("'", "'\"'\"'") + "'" |
|
418 | text = ', '.join("'" + f.replace("'", "'\"'\"'") + "'" | |
416 | for f in filenames) |
|
419 | for f in filenames) | |
417 | self._insert_plain_text_into_buffer(cursor, text) |
|
420 | self._insert_plain_text_into_buffer(cursor, text) | |
418 | elif e.mimeData().hasText(): |
|
421 | elif e.mimeData().hasText(): | |
419 | cursor = self._control.cursorForPosition(e.pos()) |
|
422 | cursor = self._control.cursorForPosition(e.pos()) | |
420 | if self._in_buffer(cursor.position()): |
|
423 | if self._in_buffer(cursor.position()): | |
421 | text = e.mimeData().text() |
|
424 | text = e.mimeData().text() | |
422 | self._insert_plain_text_into_buffer(cursor, text) |
|
425 | self._insert_plain_text_into_buffer(cursor, text) | |
423 |
|
426 | |||
424 | def eventFilter(self, obj, event): |
|
427 | def eventFilter(self, obj, event): | |
425 | """ Reimplemented to ensure a console-like behavior in the underlying |
|
428 | """ Reimplemented to ensure a console-like behavior in the underlying | |
426 | text widgets. |
|
429 | text widgets. | |
427 | """ |
|
430 | """ | |
428 | etype = event.type() |
|
431 | etype = event.type() | |
429 | if etype == QtCore.QEvent.KeyPress: |
|
432 | if etype == QtCore.QEvent.KeyPress: | |
430 |
|
433 | |||
431 | # Re-map keys for all filtered widgets. |
|
434 | # Re-map keys for all filtered widgets. | |
432 | key = event.key() |
|
435 | key = event.key() | |
433 | if self._control_key_down(event.modifiers()) and \ |
|
436 | if self._control_key_down(event.modifiers()) and \ | |
434 | key in self._ctrl_down_remap: |
|
437 | key in self._ctrl_down_remap: | |
435 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, |
|
438 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, | |
436 | self._ctrl_down_remap[key], |
|
439 | self._ctrl_down_remap[key], | |
437 | QtCore.Qt.NoModifier) |
|
440 | QtCore.Qt.NoModifier) | |
438 | QtGui.qApp.sendEvent(obj, new_event) |
|
441 | QtGui.qApp.sendEvent(obj, new_event) | |
439 | return True |
|
442 | return True | |
440 |
|
443 | |||
441 | elif obj == self._control: |
|
444 | elif obj == self._control: | |
442 | return self._event_filter_console_keypress(event) |
|
445 | return self._event_filter_console_keypress(event) | |
443 |
|
446 | |||
444 | elif obj == self._page_control: |
|
447 | elif obj == self._page_control: | |
445 | return self._event_filter_page_keypress(event) |
|
448 | return self._event_filter_page_keypress(event) | |
446 |
|
449 | |||
447 | # Make middle-click paste safe. |
|
450 | # Make middle-click paste safe. | |
448 | elif etype == QtCore.QEvent.MouseButtonRelease and \ |
|
451 | elif etype == QtCore.QEvent.MouseButtonRelease and \ | |
449 | event.button() == QtCore.Qt.MidButton and \ |
|
452 | event.button() == QtCore.Qt.MidButton and \ | |
450 | obj == self._control.viewport(): |
|
453 | obj == self._control.viewport(): | |
451 | cursor = self._control.cursorForPosition(event.pos()) |
|
454 | cursor = self._control.cursorForPosition(event.pos()) | |
452 | self._control.setTextCursor(cursor) |
|
455 | self._control.setTextCursor(cursor) | |
453 | self.paste(QtGui.QClipboard.Selection) |
|
456 | self.paste(QtGui.QClipboard.Selection) | |
454 | return True |
|
457 | return True | |
455 |
|
458 | |||
456 | # Manually adjust the scrollbars *after* a resize event is dispatched. |
|
459 | # Manually adjust the scrollbars *after* a resize event is dispatched. | |
457 | elif etype == QtCore.QEvent.Resize and not self._filter_resize: |
|
460 | elif etype == QtCore.QEvent.Resize and not self._filter_resize: | |
458 | self._filter_resize = True |
|
461 | self._filter_resize = True | |
459 | QtGui.qApp.sendEvent(obj, event) |
|
462 | QtGui.qApp.sendEvent(obj, event) | |
460 | self._adjust_scrollbars() |
|
463 | self._adjust_scrollbars() | |
461 | self._filter_resize = False |
|
464 | self._filter_resize = False | |
462 | return True |
|
465 | return True | |
463 |
|
466 | |||
464 | # Override shortcuts for all filtered widgets. |
|
467 | # Override shortcuts for all filtered widgets. | |
465 | elif etype == QtCore.QEvent.ShortcutOverride and \ |
|
468 | elif etype == QtCore.QEvent.ShortcutOverride and \ | |
466 | self.override_shortcuts and \ |
|
469 | self.override_shortcuts and \ | |
467 | self._control_key_down(event.modifiers()) and \ |
|
470 | self._control_key_down(event.modifiers()) and \ | |
468 | event.key() in self._shortcuts: |
|
471 | event.key() in self._shortcuts: | |
469 | event.accept() |
|
472 | event.accept() | |
470 |
|
473 | |||
471 | # Handle scrolling of the vsplit pager. This hack attempts to solve |
|
474 | # Handle scrolling of the vsplit pager. This hack attempts to solve | |
472 | # problems with tearing of the help text inside the pager window. This |
|
475 | # problems with tearing of the help text inside the pager window. This | |
473 | # happens only on Mac OS X with both PySide and PyQt. This fix isn't |
|
476 | # happens only on Mac OS X with both PySide and PyQt. This fix isn't | |
474 | # perfect but makes the pager more usable. |
|
477 | # perfect but makes the pager more usable. | |
475 | elif etype in self._pager_scroll_events and \ |
|
478 | elif etype in self._pager_scroll_events and \ | |
476 | obj == self._page_control: |
|
479 | obj == self._page_control: | |
477 | self._page_control.repaint() |
|
480 | self._page_control.repaint() | |
478 | return True |
|
481 | return True | |
479 |
|
482 | |||
480 | elif etype == QtCore.QEvent.MouseMove: |
|
483 | elif etype == QtCore.QEvent.MouseMove: | |
481 | anchor = self._control.anchorAt(event.pos()) |
|
484 | anchor = self._control.anchorAt(event.pos()) | |
482 | QtGui.QToolTip.showText(event.globalPos(), anchor) |
|
485 | QtGui.QToolTip.showText(event.globalPos(), anchor) | |
483 |
|
486 | |||
484 | return super(ConsoleWidget, self).eventFilter(obj, event) |
|
487 | return super(ConsoleWidget, self).eventFilter(obj, event) | |
485 |
|
488 | |||
486 | #--------------------------------------------------------------------------- |
|
489 | #--------------------------------------------------------------------------- | |
487 | # 'QWidget' interface |
|
490 | # 'QWidget' interface | |
488 | #--------------------------------------------------------------------------- |
|
491 | #--------------------------------------------------------------------------- | |
489 |
|
492 | |||
490 | def sizeHint(self): |
|
493 | def sizeHint(self): | |
491 | """ Reimplemented to suggest a size that is 80 characters wide and |
|
494 | """ Reimplemented to suggest a size that is 80 characters wide and | |
492 | 25 lines high. |
|
495 | 25 lines high. | |
493 | """ |
|
496 | """ | |
494 | font_metrics = QtGui.QFontMetrics(self.font) |
|
497 | font_metrics = QtGui.QFontMetrics(self.font) | |
495 | margin = (self._control.frameWidth() + |
|
498 | margin = (self._control.frameWidth() + | |
496 | self._control.document().documentMargin()) * 2 |
|
499 | self._control.document().documentMargin()) * 2 | |
497 | style = self.style() |
|
500 | style = self.style() | |
498 | splitwidth = style.pixelMetric(QtGui.QStyle.PM_SplitterWidth) |
|
501 | splitwidth = style.pixelMetric(QtGui.QStyle.PM_SplitterWidth) | |
499 |
|
502 | |||
500 | # Note 1: Despite my best efforts to take the various margins into |
|
503 | # Note 1: Despite my best efforts to take the various margins into | |
501 | # account, the width is still coming out a bit too small, so we include |
|
504 | # account, the width is still coming out a bit too small, so we include | |
502 | # a fudge factor of one character here. |
|
505 | # a fudge factor of one character here. | |
503 | # Note 2: QFontMetrics.maxWidth is not used here or anywhere else due |
|
506 | # Note 2: QFontMetrics.maxWidth is not used here or anywhere else due | |
504 | # to a Qt bug on certain Mac OS systems where it returns 0. |
|
507 | # to a Qt bug on certain Mac OS systems where it returns 0. | |
505 | width = font_metrics.width(' ') * self.width + margin |
|
508 | width = font_metrics.width(' ') * self.width + margin | |
506 | width += style.pixelMetric(QtGui.QStyle.PM_ScrollBarExtent) |
|
509 | width += style.pixelMetric(QtGui.QStyle.PM_ScrollBarExtent) | |
507 | if self.paging == 'hsplit': |
|
510 | if self.paging == 'hsplit': | |
508 | width = width * 2 + splitwidth |
|
511 | width = width * 2 + splitwidth | |
509 |
|
512 | |||
510 | height = font_metrics.height() * self.height + margin |
|
513 | height = font_metrics.height() * self.height + margin | |
511 | if self.paging == 'vsplit': |
|
514 | if self.paging == 'vsplit': | |
512 | height = height * 2 + splitwidth |
|
515 | height = height * 2 + splitwidth | |
513 |
|
516 | |||
514 | return QtCore.QSize(width, height) |
|
517 | return QtCore.QSize(width, height) | |
515 |
|
518 | |||
516 | #--------------------------------------------------------------------------- |
|
519 | #--------------------------------------------------------------------------- | |
517 | # 'ConsoleWidget' public interface |
|
520 | # 'ConsoleWidget' public interface | |
518 | #--------------------------------------------------------------------------- |
|
521 | #--------------------------------------------------------------------------- | |
519 |
|
522 | |||
520 | def can_copy(self): |
|
523 | def can_copy(self): | |
521 | """ Returns whether text can be copied to the clipboard. |
|
524 | """ Returns whether text can be copied to the clipboard. | |
522 | """ |
|
525 | """ | |
523 | return self._control.textCursor().hasSelection() |
|
526 | return self._control.textCursor().hasSelection() | |
524 |
|
527 | |||
525 | def can_cut(self): |
|
528 | def can_cut(self): | |
526 | """ Returns whether text can be cut to the clipboard. |
|
529 | """ Returns whether text can be cut to the clipboard. | |
527 | """ |
|
530 | """ | |
528 | cursor = self._control.textCursor() |
|
531 | cursor = self._control.textCursor() | |
529 | return (cursor.hasSelection() and |
|
532 | return (cursor.hasSelection() and | |
530 | self._in_buffer(cursor.anchor()) and |
|
533 | self._in_buffer(cursor.anchor()) and | |
531 | self._in_buffer(cursor.position())) |
|
534 | self._in_buffer(cursor.position())) | |
532 |
|
535 | |||
533 | def can_paste(self): |
|
536 | def can_paste(self): | |
534 | """ Returns whether text can be pasted from the clipboard. |
|
537 | """ Returns whether text can be pasted from the clipboard. | |
535 | """ |
|
538 | """ | |
536 | if self._control.textInteractionFlags() & QtCore.Qt.TextEditable: |
|
539 | if self._control.textInteractionFlags() & QtCore.Qt.TextEditable: | |
537 | return bool(QtGui.QApplication.clipboard().text()) |
|
540 | return bool(QtGui.QApplication.clipboard().text()) | |
538 | return False |
|
541 | return False | |
539 |
|
542 | |||
540 | def clear(self, keep_input=True): |
|
543 | def clear(self, keep_input=True): | |
541 | """ Clear the console. |
|
544 | """ Clear the console. | |
542 |
|
545 | |||
543 | Parameters: |
|
546 | Parameters: | |
544 | ----------- |
|
547 | ----------- | |
545 | keep_input : bool, optional (default True) |
|
548 | keep_input : bool, optional (default True) | |
546 | If set, restores the old input buffer if a new prompt is written. |
|
549 | If set, restores the old input buffer if a new prompt is written. | |
547 | """ |
|
550 | """ | |
548 | if self._executing: |
|
551 | if self._executing: | |
549 | self._control.clear() |
|
552 | self._control.clear() | |
550 | else: |
|
553 | else: | |
551 | if keep_input: |
|
554 | if keep_input: | |
552 | input_buffer = self.input_buffer |
|
555 | input_buffer = self.input_buffer | |
553 | self._control.clear() |
|
556 | self._control.clear() | |
554 | self._show_prompt() |
|
557 | self._show_prompt() | |
555 | if keep_input: |
|
558 | if keep_input: | |
556 | self.input_buffer = input_buffer |
|
559 | self.input_buffer = input_buffer | |
557 |
|
560 | |||
558 | def copy(self): |
|
561 | def copy(self): | |
559 | """ Copy the currently selected text to the clipboard. |
|
562 | """ Copy the currently selected text to the clipboard. | |
560 | """ |
|
563 | """ | |
561 | self.layout().currentWidget().copy() |
|
564 | self.layout().currentWidget().copy() | |
562 |
|
565 | |||
563 | def copy_anchor(self, anchor): |
|
566 | def copy_anchor(self, anchor): | |
564 | """ Copy anchor text to the clipboard |
|
567 | """ Copy anchor text to the clipboard | |
565 | """ |
|
568 | """ | |
566 | QtGui.QApplication.clipboard().setText(anchor) |
|
569 | QtGui.QApplication.clipboard().setText(anchor) | |
567 |
|
570 | |||
568 | def cut(self): |
|
571 | def cut(self): | |
569 | """ Copy the currently selected text to the clipboard and delete it |
|
572 | """ Copy the currently selected text to the clipboard and delete it | |
570 | if it's inside the input buffer. |
|
573 | if it's inside the input buffer. | |
571 | """ |
|
574 | """ | |
572 | self.copy() |
|
575 | self.copy() | |
573 | if self.can_cut(): |
|
576 | if self.can_cut(): | |
574 | self._control.textCursor().removeSelectedText() |
|
577 | self._control.textCursor().removeSelectedText() | |
575 |
|
578 | |||
576 | def execute(self, source=None, hidden=False, interactive=False): |
|
579 | def execute(self, source=None, hidden=False, interactive=False): | |
577 | """ Executes source or the input buffer, possibly prompting for more |
|
580 | """ Executes source or the input buffer, possibly prompting for more | |
578 | input. |
|
581 | input. | |
579 |
|
582 | |||
580 | Parameters: |
|
583 | Parameters: | |
581 | ----------- |
|
584 | ----------- | |
582 | source : str, optional |
|
585 | source : str, optional | |
583 |
|
586 | |||
584 | The source to execute. If not specified, the input buffer will be |
|
587 | The source to execute. If not specified, the input buffer will be | |
585 | used. If specified and 'hidden' is False, the input buffer will be |
|
588 | used. If specified and 'hidden' is False, the input buffer will be | |
586 | replaced with the source before execution. |
|
589 | replaced with the source before execution. | |
587 |
|
590 | |||
588 | hidden : bool, optional (default False) |
|
591 | hidden : bool, optional (default False) | |
589 |
|
592 | |||
590 | If set, no output will be shown and the prompt will not be modified. |
|
593 | If set, no output will be shown and the prompt will not be modified. | |
591 | In other words, it will be completely invisible to the user that |
|
594 | In other words, it will be completely invisible to the user that | |
592 | an execution has occurred. |
|
595 | an execution has occurred. | |
593 |
|
596 | |||
594 | interactive : bool, optional (default False) |
|
597 | interactive : bool, optional (default False) | |
595 |
|
598 | |||
596 | Whether the console is to treat the source as having been manually |
|
599 | Whether the console is to treat the source as having been manually | |
597 | entered by the user. The effect of this parameter depends on the |
|
600 | entered by the user. The effect of this parameter depends on the | |
598 | subclass implementation. |
|
601 | subclass implementation. | |
599 |
|
602 | |||
600 | Raises: |
|
603 | Raises: | |
601 | ------- |
|
604 | ------- | |
602 | RuntimeError |
|
605 | RuntimeError | |
603 | If incomplete input is given and 'hidden' is True. In this case, |
|
606 | If incomplete input is given and 'hidden' is True. In this case, | |
604 | it is not possible to prompt for more input. |
|
607 | it is not possible to prompt for more input. | |
605 |
|
608 | |||
606 | Returns: |
|
609 | Returns: | |
607 | -------- |
|
610 | -------- | |
608 | A boolean indicating whether the source was executed. |
|
611 | A boolean indicating whether the source was executed. | |
609 | """ |
|
612 | """ | |
610 | # WARNING: The order in which things happen here is very particular, in |
|
613 | # WARNING: The order in which things happen here is very particular, in | |
611 | # large part because our syntax highlighting is fragile. If you change |
|
614 | # large part because our syntax highlighting is fragile. If you change | |
612 | # something, test carefully! |
|
615 | # something, test carefully! | |
613 |
|
616 | |||
614 | # Decide what to execute. |
|
617 | # Decide what to execute. | |
615 | if source is None: |
|
618 | if source is None: | |
616 | source = self.input_buffer |
|
619 | source = self.input_buffer | |
617 | if not hidden: |
|
620 | if not hidden: | |
618 | # A newline is appended later, but it should be considered part |
|
621 | # A newline is appended later, but it should be considered part | |
619 | # of the input buffer. |
|
622 | # of the input buffer. | |
620 | source += '\n' |
|
623 | source += '\n' | |
621 | elif not hidden: |
|
624 | elif not hidden: | |
622 | self.input_buffer = source |
|
625 | self.input_buffer = source | |
623 |
|
626 | |||
624 | # Execute the source or show a continuation prompt if it is incomplete. |
|
627 | # Execute the source or show a continuation prompt if it is incomplete. | |
625 | if self.execute_on_complete_input: |
|
628 | if self.execute_on_complete_input: | |
626 | complete = self._is_complete(source, interactive) |
|
629 | complete = self._is_complete(source, interactive) | |
627 | else: |
|
630 | else: | |
628 | complete = not interactive |
|
631 | complete = not interactive | |
629 | if hidden: |
|
632 | if hidden: | |
630 | if complete or not self.execute_on_complete_input: |
|
633 | if complete or not self.execute_on_complete_input: | |
631 | self._execute(source, hidden) |
|
634 | self._execute(source, hidden) | |
632 | else: |
|
635 | else: | |
633 | error = 'Incomplete noninteractive input: "%s"' |
|
636 | error = 'Incomplete noninteractive input: "%s"' | |
634 | raise RuntimeError(error % source) |
|
637 | raise RuntimeError(error % source) | |
635 | else: |
|
638 | else: | |
636 | if complete: |
|
639 | if complete: | |
637 | self._append_plain_text('\n') |
|
640 | self._append_plain_text('\n') | |
638 | self._input_buffer_executing = self.input_buffer |
|
641 | self._input_buffer_executing = self.input_buffer | |
639 | self._executing = True |
|
642 | self._executing = True | |
640 | self._prompt_finished() |
|
643 | self._prompt_finished() | |
641 |
|
644 | |||
642 | # The maximum block count is only in effect during execution. |
|
645 | # The maximum block count is only in effect during execution. | |
643 | # This ensures that _prompt_pos does not become invalid due to |
|
646 | # This ensures that _prompt_pos does not become invalid due to | |
644 | # text truncation. |
|
647 | # text truncation. | |
645 | self._control.document().setMaximumBlockCount(self.buffer_size) |
|
648 | self._control.document().setMaximumBlockCount(self.buffer_size) | |
646 |
|
649 | |||
647 | # Setting a positive maximum block count will automatically |
|
650 | # Setting a positive maximum block count will automatically | |
648 | # disable the undo/redo history, but just to be safe: |
|
651 | # disable the undo/redo history, but just to be safe: | |
649 | self._control.setUndoRedoEnabled(False) |
|
652 | self._control.setUndoRedoEnabled(False) | |
650 |
|
653 | |||
651 | # Perform actual execution. |
|
654 | # Perform actual execution. | |
652 | self._execute(source, hidden) |
|
655 | self._execute(source, hidden) | |
653 |
|
656 | |||
654 | else: |
|
657 | else: | |
655 | # Do this inside an edit block so continuation prompts are |
|
658 | # Do this inside an edit block so continuation prompts are | |
656 | # removed seamlessly via undo/redo. |
|
659 | # removed seamlessly via undo/redo. | |
657 | cursor = self._get_end_cursor() |
|
660 | cursor = self._get_end_cursor() | |
658 | cursor.beginEditBlock() |
|
661 | cursor.beginEditBlock() | |
659 | cursor.insertText('\n') |
|
662 | cursor.insertText('\n') | |
660 | self._insert_continuation_prompt(cursor) |
|
663 | self._insert_continuation_prompt(cursor) | |
661 | cursor.endEditBlock() |
|
664 | cursor.endEditBlock() | |
662 |
|
665 | |||
663 | # Do not do this inside the edit block. It works as expected |
|
666 | # Do not do this inside the edit block. It works as expected | |
664 | # when using a QPlainTextEdit control, but does not have an |
|
667 | # when using a QPlainTextEdit control, but does not have an | |
665 | # effect when using a QTextEdit. I believe this is a Qt bug. |
|
668 | # effect when using a QTextEdit. I believe this is a Qt bug. | |
666 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
669 | self._control.moveCursor(QtGui.QTextCursor.End) | |
667 |
|
670 | |||
668 | return complete |
|
671 | return complete | |
669 |
|
672 | |||
670 | def export_html(self): |
|
673 | def export_html(self): | |
671 | """ Shows a dialog to export HTML/XML in various formats. |
|
674 | """ Shows a dialog to export HTML/XML in various formats. | |
672 | """ |
|
675 | """ | |
673 | self._html_exporter.export() |
|
676 | self._html_exporter.export() | |
674 |
|
677 | |||
675 | def _get_input_buffer(self, force=False): |
|
678 | def _get_input_buffer(self, force=False): | |
676 | """ The text that the user has entered entered at the current prompt. |
|
679 | """ The text that the user has entered entered at the current prompt. | |
677 |
|
680 | |||
678 | If the console is currently executing, the text that is executing will |
|
681 | If the console is currently executing, the text that is executing will | |
679 | always be returned. |
|
682 | always be returned. | |
680 | """ |
|
683 | """ | |
681 | # If we're executing, the input buffer may not even exist anymore due to |
|
684 | # If we're executing, the input buffer may not even exist anymore due to | |
682 | # the limit imposed by 'buffer_size'. Therefore, we store it. |
|
685 | # the limit imposed by 'buffer_size'. Therefore, we store it. | |
683 | if self._executing and not force: |
|
686 | if self._executing and not force: | |
684 | return self._input_buffer_executing |
|
687 | return self._input_buffer_executing | |
685 |
|
688 | |||
686 | cursor = self._get_end_cursor() |
|
689 | cursor = self._get_end_cursor() | |
687 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) |
|
690 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) | |
688 | input_buffer = cursor.selection().toPlainText() |
|
691 | input_buffer = cursor.selection().toPlainText() | |
689 |
|
692 | |||
690 | # Strip out continuation prompts. |
|
693 | # Strip out continuation prompts. | |
691 | return input_buffer.replace('\n' + self._continuation_prompt, '\n') |
|
694 | return input_buffer.replace('\n' + self._continuation_prompt, '\n') | |
692 |
|
695 | |||
693 | def _set_input_buffer(self, string): |
|
696 | def _set_input_buffer(self, string): | |
694 | """ Sets the text in the input buffer. |
|
697 | """ Sets the text in the input buffer. | |
695 |
|
698 | |||
696 | If the console is currently executing, this call has no *immediate* |
|
699 | If the console is currently executing, this call has no *immediate* | |
697 | effect. When the execution is finished, the input buffer will be updated |
|
700 | effect. When the execution is finished, the input buffer will be updated | |
698 | appropriately. |
|
701 | appropriately. | |
699 | """ |
|
702 | """ | |
700 | # If we're executing, store the text for later. |
|
703 | # If we're executing, store the text for later. | |
701 | if self._executing: |
|
704 | if self._executing: | |
702 | self._input_buffer_pending = string |
|
705 | self._input_buffer_pending = string | |
703 | return |
|
706 | return | |
704 |
|
707 | |||
705 | # Remove old text. |
|
708 | # Remove old text. | |
706 | cursor = self._get_end_cursor() |
|
709 | cursor = self._get_end_cursor() | |
707 | cursor.beginEditBlock() |
|
710 | cursor.beginEditBlock() | |
708 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) |
|
711 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) | |
709 | cursor.removeSelectedText() |
|
712 | cursor.removeSelectedText() | |
710 |
|
713 | |||
711 | # Insert new text with continuation prompts. |
|
714 | # Insert new text with continuation prompts. | |
712 | self._insert_plain_text_into_buffer(self._get_prompt_cursor(), string) |
|
715 | self._insert_plain_text_into_buffer(self._get_prompt_cursor(), string) | |
713 | cursor.endEditBlock() |
|
716 | cursor.endEditBlock() | |
714 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
717 | self._control.moveCursor(QtGui.QTextCursor.End) | |
715 |
|
718 | |||
716 | input_buffer = property(_get_input_buffer, _set_input_buffer) |
|
719 | input_buffer = property(_get_input_buffer, _set_input_buffer) | |
717 |
|
720 | |||
718 | def _get_font(self): |
|
721 | def _get_font(self): | |
719 | """ The base font being used by the ConsoleWidget. |
|
722 | """ The base font being used by the ConsoleWidget. | |
720 | """ |
|
723 | """ | |
721 | return self._control.document().defaultFont() |
|
724 | return self._control.document().defaultFont() | |
722 |
|
725 | |||
723 | def _set_font(self, font): |
|
726 | def _set_font(self, font): | |
724 | """ Sets the base font for the ConsoleWidget to the specified QFont. |
|
727 | """ Sets the base font for the ConsoleWidget to the specified QFont. | |
725 | """ |
|
728 | """ | |
726 | font_metrics = QtGui.QFontMetrics(font) |
|
729 | font_metrics = QtGui.QFontMetrics(font) | |
727 | self._control.setTabStopWidth(self.tab_width * font_metrics.width(' ')) |
|
730 | self._control.setTabStopWidth(self.tab_width * font_metrics.width(' ')) | |
728 |
|
731 | |||
729 | self._completion_widget.setFont(font) |
|
732 | self._completion_widget.setFont(font) | |
730 | self._control.document().setDefaultFont(font) |
|
733 | self._control.document().setDefaultFont(font) | |
731 | if self._page_control: |
|
734 | if self._page_control: | |
732 | self._page_control.document().setDefaultFont(font) |
|
735 | self._page_control.document().setDefaultFont(font) | |
733 |
|
736 | |||
734 | self.font_changed.emit(font) |
|
737 | self.font_changed.emit(font) | |
735 |
|
738 | |||
736 | font = property(_get_font, _set_font) |
|
739 | font = property(_get_font, _set_font) | |
737 |
|
740 | |||
738 | def open_anchor(self, anchor): |
|
741 | def open_anchor(self, anchor): | |
739 | """ Open selected anchor in the default webbrowser |
|
742 | """ Open selected anchor in the default webbrowser | |
740 | """ |
|
743 | """ | |
741 | webbrowser.open( anchor ) |
|
744 | webbrowser.open( anchor ) | |
742 |
|
745 | |||
743 | def paste(self, mode=QtGui.QClipboard.Clipboard): |
|
746 | def paste(self, mode=QtGui.QClipboard.Clipboard): | |
744 | """ Paste the contents of the clipboard into the input region. |
|
747 | """ Paste the contents of the clipboard into the input region. | |
745 |
|
748 | |||
746 | Parameters: |
|
749 | Parameters: | |
747 | ----------- |
|
750 | ----------- | |
748 | mode : QClipboard::Mode, optional [default QClipboard::Clipboard] |
|
751 | mode : QClipboard::Mode, optional [default QClipboard::Clipboard] | |
749 |
|
752 | |||
750 | Controls which part of the system clipboard is used. This can be |
|
753 | Controls which part of the system clipboard is used. This can be | |
751 | used to access the selection clipboard in X11 and the Find buffer |
|
754 | used to access the selection clipboard in X11 and the Find buffer | |
752 | in Mac OS. By default, the regular clipboard is used. |
|
755 | in Mac OS. By default, the regular clipboard is used. | |
753 | """ |
|
756 | """ | |
754 | if self._control.textInteractionFlags() & QtCore.Qt.TextEditable: |
|
757 | if self._control.textInteractionFlags() & QtCore.Qt.TextEditable: | |
755 | # Make sure the paste is safe. |
|
758 | # Make sure the paste is safe. | |
756 | self._keep_cursor_in_buffer() |
|
759 | self._keep_cursor_in_buffer() | |
757 | cursor = self._control.textCursor() |
|
760 | cursor = self._control.textCursor() | |
758 |
|
761 | |||
759 | # Remove any trailing newline, which confuses the GUI and forces the |
|
762 | # Remove any trailing newline, which confuses the GUI and forces the | |
760 | # user to backspace. |
|
763 | # user to backspace. | |
761 | text = QtGui.QApplication.clipboard().text(mode).rstrip() |
|
764 | text = QtGui.QApplication.clipboard().text(mode).rstrip() | |
762 | self._insert_plain_text_into_buffer(cursor, dedent(text)) |
|
765 | self._insert_plain_text_into_buffer(cursor, dedent(text)) | |
763 |
|
766 | |||
764 | def print_(self, printer = None): |
|
767 | def print_(self, printer = None): | |
765 | """ Print the contents of the ConsoleWidget to the specified QPrinter. |
|
768 | """ Print the contents of the ConsoleWidget to the specified QPrinter. | |
766 | """ |
|
769 | """ | |
767 | if (not printer): |
|
770 | if (not printer): | |
768 | printer = QtGui.QPrinter() |
|
771 | printer = QtGui.QPrinter() | |
769 | if(QtGui.QPrintDialog(printer).exec_() != QtGui.QDialog.Accepted): |
|
772 | if(QtGui.QPrintDialog(printer).exec_() != QtGui.QDialog.Accepted): | |
770 | return |
|
773 | return | |
771 | self._control.print_(printer) |
|
774 | self._control.print_(printer) | |
772 |
|
775 | |||
773 | def prompt_to_top(self): |
|
776 | def prompt_to_top(self): | |
774 | """ Moves the prompt to the top of the viewport. |
|
777 | """ Moves the prompt to the top of the viewport. | |
775 | """ |
|
778 | """ | |
776 | if not self._executing: |
|
779 | if not self._executing: | |
777 | prompt_cursor = self._get_prompt_cursor() |
|
780 | prompt_cursor = self._get_prompt_cursor() | |
778 | if self._get_cursor().blockNumber() < prompt_cursor.blockNumber(): |
|
781 | if self._get_cursor().blockNumber() < prompt_cursor.blockNumber(): | |
779 | self._set_cursor(prompt_cursor) |
|
782 | self._set_cursor(prompt_cursor) | |
780 | self._set_top_cursor(prompt_cursor) |
|
783 | self._set_top_cursor(prompt_cursor) | |
781 |
|
784 | |||
782 | def redo(self): |
|
785 | def redo(self): | |
783 | """ Redo the last operation. If there is no operation to redo, nothing |
|
786 | """ Redo the last operation. If there is no operation to redo, nothing | |
784 | happens. |
|
787 | happens. | |
785 | """ |
|
788 | """ | |
786 | self._control.redo() |
|
789 | self._control.redo() | |
787 |
|
790 | |||
788 | def reset_font(self): |
|
791 | def reset_font(self): | |
789 | """ Sets the font to the default fixed-width font for this platform. |
|
792 | """ Sets the font to the default fixed-width font for this platform. | |
790 | """ |
|
793 | """ | |
791 | if sys.platform == 'win32': |
|
794 | if sys.platform == 'win32': | |
792 | # Consolas ships with Vista/Win7, fallback to Courier if needed |
|
795 | # Consolas ships with Vista/Win7, fallback to Courier if needed | |
793 | fallback = 'Courier' |
|
796 | fallback = 'Courier' | |
794 | elif sys.platform == 'darwin': |
|
797 | elif sys.platform == 'darwin': | |
795 | # OSX always has Monaco |
|
798 | # OSX always has Monaco | |
796 | fallback = 'Monaco' |
|
799 | fallback = 'Monaco' | |
797 | else: |
|
800 | else: | |
798 | # Monospace should always exist |
|
801 | # Monospace should always exist | |
799 | fallback = 'Monospace' |
|
802 | fallback = 'Monospace' | |
800 | font = get_font(self.font_family, fallback) |
|
803 | font = get_font(self.font_family, fallback) | |
801 | if self.font_size: |
|
804 | if self.font_size: | |
802 | font.setPointSize(self.font_size) |
|
805 | font.setPointSize(self.font_size) | |
803 | else: |
|
806 | else: | |
804 | font.setPointSize(QtGui.qApp.font().pointSize()) |
|
807 | font.setPointSize(QtGui.qApp.font().pointSize()) | |
805 | font.setStyleHint(QtGui.QFont.TypeWriter) |
|
808 | font.setStyleHint(QtGui.QFont.TypeWriter) | |
806 | self._set_font(font) |
|
809 | self._set_font(font) | |
807 |
|
810 | |||
808 | def change_font_size(self, delta): |
|
811 | def change_font_size(self, delta): | |
809 | """Change the font size by the specified amount (in points). |
|
812 | """Change the font size by the specified amount (in points). | |
810 | """ |
|
813 | """ | |
811 | font = self.font |
|
814 | font = self.font | |
812 | size = max(font.pointSize() + delta, 1) # minimum 1 point |
|
815 | size = max(font.pointSize() + delta, 1) # minimum 1 point | |
813 | font.setPointSize(size) |
|
816 | font.setPointSize(size) | |
814 | self._set_font(font) |
|
817 | self._set_font(font) | |
815 |
|
818 | |||
816 | def _increase_font_size(self): |
|
819 | def _increase_font_size(self): | |
817 | self.change_font_size(1) |
|
820 | self.change_font_size(1) | |
818 |
|
821 | |||
819 | def _decrease_font_size(self): |
|
822 | def _decrease_font_size(self): | |
820 | self.change_font_size(-1) |
|
823 | self.change_font_size(-1) | |
821 |
|
824 | |||
822 | def select_all(self): |
|
825 | def select_all(self): | |
823 | """ Selects all the text in the buffer. |
|
826 | """ Selects all the text in the buffer. | |
824 | """ |
|
827 | """ | |
825 | self._control.selectAll() |
|
828 | self._control.selectAll() | |
826 |
|
829 | |||
827 | def _get_tab_width(self): |
|
830 | def _get_tab_width(self): | |
828 | """ The width (in terms of space characters) for tab characters. |
|
831 | """ The width (in terms of space characters) for tab characters. | |
829 | """ |
|
832 | """ | |
830 | return self._tab_width |
|
833 | return self._tab_width | |
831 |
|
834 | |||
832 | def _set_tab_width(self, tab_width): |
|
835 | def _set_tab_width(self, tab_width): | |
833 | """ Sets the width (in terms of space characters) for tab characters. |
|
836 | """ Sets the width (in terms of space characters) for tab characters. | |
834 | """ |
|
837 | """ | |
835 | font_metrics = QtGui.QFontMetrics(self.font) |
|
838 | font_metrics = QtGui.QFontMetrics(self.font) | |
836 | self._control.setTabStopWidth(tab_width * font_metrics.width(' ')) |
|
839 | self._control.setTabStopWidth(tab_width * font_metrics.width(' ')) | |
837 |
|
840 | |||
838 | self._tab_width = tab_width |
|
841 | self._tab_width = tab_width | |
839 |
|
842 | |||
840 | tab_width = property(_get_tab_width, _set_tab_width) |
|
843 | tab_width = property(_get_tab_width, _set_tab_width) | |
841 |
|
844 | |||
842 | def undo(self): |
|
845 | def undo(self): | |
843 | """ Undo the last operation. If there is no operation to undo, nothing |
|
846 | """ Undo the last operation. If there is no operation to undo, nothing | |
844 | happens. |
|
847 | happens. | |
845 | """ |
|
848 | """ | |
846 | self._control.undo() |
|
849 | self._control.undo() | |
847 |
|
850 | |||
848 | #--------------------------------------------------------------------------- |
|
851 | #--------------------------------------------------------------------------- | |
849 | # 'ConsoleWidget' abstract interface |
|
852 | # 'ConsoleWidget' abstract interface | |
850 | #--------------------------------------------------------------------------- |
|
853 | #--------------------------------------------------------------------------- | |
851 |
|
854 | |||
852 | def _is_complete(self, source, interactive): |
|
855 | def _is_complete(self, source, interactive): | |
853 | """ Returns whether 'source' can be executed. When triggered by an |
|
856 | """ Returns whether 'source' can be executed. When triggered by an | |
854 | Enter/Return key press, 'interactive' is True; otherwise, it is |
|
857 | Enter/Return key press, 'interactive' is True; otherwise, it is | |
855 | False. |
|
858 | False. | |
856 | """ |
|
859 | """ | |
857 | raise NotImplementedError |
|
860 | raise NotImplementedError | |
858 |
|
861 | |||
859 | def _execute(self, source, hidden): |
|
862 | def _execute(self, source, hidden): | |
860 | """ Execute 'source'. If 'hidden', do not show any output. |
|
863 | """ Execute 'source'. If 'hidden', do not show any output. | |
861 | """ |
|
864 | """ | |
862 | raise NotImplementedError |
|
865 | raise NotImplementedError | |
863 |
|
866 | |||
864 | def _prompt_started_hook(self): |
|
867 | def _prompt_started_hook(self): | |
865 | """ Called immediately after a new prompt is displayed. |
|
868 | """ Called immediately after a new prompt is displayed. | |
866 | """ |
|
869 | """ | |
867 | pass |
|
870 | pass | |
868 |
|
871 | |||
869 | def _prompt_finished_hook(self): |
|
872 | def _prompt_finished_hook(self): | |
870 | """ Called immediately after a prompt is finished, i.e. when some input |
|
873 | """ Called immediately after a prompt is finished, i.e. when some input | |
871 | will be processed and a new prompt displayed. |
|
874 | will be processed and a new prompt displayed. | |
872 | """ |
|
875 | """ | |
873 | pass |
|
876 | pass | |
874 |
|
877 | |||
875 | def _up_pressed(self, shift_modifier): |
|
878 | def _up_pressed(self, shift_modifier): | |
876 | """ Called when the up key is pressed. Returns whether to continue |
|
879 | """ Called when the up key is pressed. Returns whether to continue | |
877 | processing the event. |
|
880 | processing the event. | |
878 | """ |
|
881 | """ | |
879 | return True |
|
882 | return True | |
880 |
|
883 | |||
881 | def _down_pressed(self, shift_modifier): |
|
884 | def _down_pressed(self, shift_modifier): | |
882 | """ Called when the down key is pressed. Returns whether to continue |
|
885 | """ Called when the down key is pressed. Returns whether to continue | |
883 | processing the event. |
|
886 | processing the event. | |
884 | """ |
|
887 | """ | |
885 | return True |
|
888 | return True | |
886 |
|
889 | |||
887 | def _tab_pressed(self): |
|
890 | def _tab_pressed(self): | |
888 | """ Called when the tab key is pressed. Returns whether to continue |
|
891 | """ Called when the tab key is pressed. Returns whether to continue | |
889 | processing the event. |
|
892 | processing the event. | |
890 | """ |
|
893 | """ | |
891 | return False |
|
894 | return False | |
892 |
|
895 | |||
893 | #-------------------------------------------------------------------------- |
|
896 | #-------------------------------------------------------------------------- | |
894 | # 'ConsoleWidget' protected interface |
|
897 | # 'ConsoleWidget' protected interface | |
895 | #-------------------------------------------------------------------------- |
|
898 | #-------------------------------------------------------------------------- | |
896 |
|
899 | |||
897 | def _append_custom(self, insert, input, before_prompt=False, *args, **kwargs): |
|
900 | def _append_custom(self, insert, input, before_prompt=False, *args, **kwargs): | |
898 | """ A low-level method for appending content to the end of the buffer. |
|
901 | """ A low-level method for appending content to the end of the buffer. | |
899 |
|
902 | |||
900 | If 'before_prompt' is enabled, the content will be inserted before the |
|
903 | If 'before_prompt' is enabled, the content will be inserted before the | |
901 | current prompt, if there is one. |
|
904 | current prompt, if there is one. | |
902 | """ |
|
905 | """ | |
903 | # Determine where to insert the content. |
|
906 | # Determine where to insert the content. | |
904 | cursor = self._control.textCursor() |
|
907 | cursor = self._control.textCursor() | |
905 | if before_prompt and (self._reading or not self._executing): |
|
908 | if before_prompt and (self._reading or not self._executing): | |
906 | self._flush_pending_stream() |
|
909 | self._flush_pending_stream() | |
907 | cursor.setPosition(self._append_before_prompt_pos) |
|
910 | cursor.setPosition(self._append_before_prompt_pos) | |
908 | else: |
|
911 | else: | |
909 | if insert != self._insert_plain_text: |
|
912 | if insert != self._insert_plain_text: | |
910 | self._flush_pending_stream() |
|
913 | self._flush_pending_stream() | |
911 | cursor.movePosition(QtGui.QTextCursor.End) |
|
914 | cursor.movePosition(QtGui.QTextCursor.End) | |
912 | start_pos = cursor.position() |
|
915 | start_pos = cursor.position() | |
913 |
|
916 | |||
914 | # Perform the insertion. |
|
917 | # Perform the insertion. | |
915 | result = insert(cursor, input, *args, **kwargs) |
|
918 | result = insert(cursor, input, *args, **kwargs) | |
916 |
|
919 | |||
917 | # Adjust the prompt position if we have inserted before it. This is safe |
|
920 | # Adjust the prompt position if we have inserted before it. This is safe | |
918 | # because buffer truncation is disabled when not executing. |
|
921 | # because buffer truncation is disabled when not executing. | |
919 | if before_prompt and not self._executing: |
|
922 | if before_prompt and not self._executing: | |
920 | diff = cursor.position() - start_pos |
|
923 | diff = cursor.position() - start_pos | |
921 | self._append_before_prompt_pos += diff |
|
924 | self._append_before_prompt_pos += diff | |
922 | self._prompt_pos += diff |
|
925 | self._prompt_pos += diff | |
923 |
|
926 | |||
924 | return result |
|
927 | return result | |
925 |
|
928 | |||
926 | def _append_block(self, block_format=None, before_prompt=False): |
|
929 | def _append_block(self, block_format=None, before_prompt=False): | |
927 | """ Appends an new QTextBlock to the end of the console buffer. |
|
930 | """ Appends an new QTextBlock to the end of the console buffer. | |
928 | """ |
|
931 | """ | |
929 | self._append_custom(self._insert_block, block_format, before_prompt) |
|
932 | self._append_custom(self._insert_block, block_format, before_prompt) | |
930 |
|
933 | |||
931 | def _append_html(self, html, before_prompt=False): |
|
934 | def _append_html(self, html, before_prompt=False): | |
932 | """ Appends HTML at the end of the console buffer. |
|
935 | """ Appends HTML at the end of the console buffer. | |
933 | """ |
|
936 | """ | |
934 | self._append_custom(self._insert_html, html, before_prompt) |
|
937 | self._append_custom(self._insert_html, html, before_prompt) | |
935 |
|
938 | |||
936 | def _append_html_fetching_plain_text(self, html, before_prompt=False): |
|
939 | def _append_html_fetching_plain_text(self, html, before_prompt=False): | |
937 | """ Appends HTML, then returns the plain text version of it. |
|
940 | """ Appends HTML, then returns the plain text version of it. | |
938 | """ |
|
941 | """ | |
939 | return self._append_custom(self._insert_html_fetching_plain_text, |
|
942 | return self._append_custom(self._insert_html_fetching_plain_text, | |
940 | html, before_prompt) |
|
943 | html, before_prompt) | |
941 |
|
944 | |||
942 | def _append_plain_text(self, text, before_prompt=False): |
|
945 | def _append_plain_text(self, text, before_prompt=False): | |
943 | """ Appends plain text, processing ANSI codes if enabled. |
|
946 | """ Appends plain text, processing ANSI codes if enabled. | |
944 | """ |
|
947 | """ | |
945 | self._append_custom(self._insert_plain_text, text, before_prompt) |
|
948 | self._append_custom(self._insert_plain_text, text, before_prompt) | |
946 |
|
949 | |||
947 | def _cancel_completion(self): |
|
950 | def _cancel_completion(self): | |
948 | """ If text completion is progress, cancel it. |
|
951 | """ If text completion is progress, cancel it. | |
949 | """ |
|
952 | """ | |
950 | self._completion_widget.cancel_completion() |
|
953 | self._completion_widget.cancel_completion() | |
951 |
|
954 | |||
952 | def _clear_temporary_buffer(self): |
|
955 | def _clear_temporary_buffer(self): | |
953 | """ Clears the "temporary text" buffer, i.e. all the text following |
|
956 | """ Clears the "temporary text" buffer, i.e. all the text following | |
954 | the prompt region. |
|
957 | the prompt region. | |
955 | """ |
|
958 | """ | |
956 | # Select and remove all text below the input buffer. |
|
959 | # Select and remove all text below the input buffer. | |
957 | cursor = self._get_prompt_cursor() |
|
960 | cursor = self._get_prompt_cursor() | |
958 | prompt = self._continuation_prompt.lstrip() |
|
961 | prompt = self._continuation_prompt.lstrip() | |
959 | if(self._temp_buffer_filled): |
|
962 | if(self._temp_buffer_filled): | |
960 | self._temp_buffer_filled = False |
|
963 | self._temp_buffer_filled = False | |
961 | while cursor.movePosition(QtGui.QTextCursor.NextBlock): |
|
964 | while cursor.movePosition(QtGui.QTextCursor.NextBlock): | |
962 | temp_cursor = QtGui.QTextCursor(cursor) |
|
965 | temp_cursor = QtGui.QTextCursor(cursor) | |
963 | temp_cursor.select(QtGui.QTextCursor.BlockUnderCursor) |
|
966 | temp_cursor.select(QtGui.QTextCursor.BlockUnderCursor) | |
964 | text = temp_cursor.selection().toPlainText().lstrip() |
|
967 | text = temp_cursor.selection().toPlainText().lstrip() | |
965 | if not text.startswith(prompt): |
|
968 | if not text.startswith(prompt): | |
966 | break |
|
969 | break | |
967 | else: |
|
970 | else: | |
968 | # We've reached the end of the input buffer and no text follows. |
|
971 | # We've reached the end of the input buffer and no text follows. | |
969 | return |
|
972 | return | |
970 | cursor.movePosition(QtGui.QTextCursor.Left) # Grab the newline. |
|
973 | cursor.movePosition(QtGui.QTextCursor.Left) # Grab the newline. | |
971 | cursor.movePosition(QtGui.QTextCursor.End, |
|
974 | cursor.movePosition(QtGui.QTextCursor.End, | |
972 | QtGui.QTextCursor.KeepAnchor) |
|
975 | QtGui.QTextCursor.KeepAnchor) | |
973 | cursor.removeSelectedText() |
|
976 | cursor.removeSelectedText() | |
974 |
|
977 | |||
975 | # After doing this, we have no choice but to clear the undo/redo |
|
978 | # After doing this, we have no choice but to clear the undo/redo | |
976 | # history. Otherwise, the text is not "temporary" at all, because it |
|
979 | # history. Otherwise, the text is not "temporary" at all, because it | |
977 | # can be recalled with undo/redo. Unfortunately, Qt does not expose |
|
980 | # can be recalled with undo/redo. Unfortunately, Qt does not expose | |
978 | # fine-grained control to the undo/redo system. |
|
981 | # fine-grained control to the undo/redo system. | |
979 | if self._control.isUndoRedoEnabled(): |
|
982 | if self._control.isUndoRedoEnabled(): | |
980 | self._control.setUndoRedoEnabled(False) |
|
983 | self._control.setUndoRedoEnabled(False) | |
981 | self._control.setUndoRedoEnabled(True) |
|
984 | self._control.setUndoRedoEnabled(True) | |
982 |
|
985 | |||
983 | def _complete_with_items(self, cursor, items): |
|
986 | def _complete_with_items(self, cursor, items): | |
984 | """ Performs completion with 'items' at the specified cursor location. |
|
987 | """ Performs completion with 'items' at the specified cursor location. | |
985 | """ |
|
988 | """ | |
986 | self._cancel_completion() |
|
989 | self._cancel_completion() | |
987 |
|
990 | |||
988 | if len(items) == 1: |
|
991 | if len(items) == 1: | |
989 | cursor.setPosition(self._control.textCursor().position(), |
|
992 | cursor.setPosition(self._control.textCursor().position(), | |
990 | QtGui.QTextCursor.KeepAnchor) |
|
993 | QtGui.QTextCursor.KeepAnchor) | |
991 | cursor.insertText(items[0]) |
|
994 | cursor.insertText(items[0]) | |
992 |
|
995 | |||
993 | elif len(items) > 1: |
|
996 | elif len(items) > 1: | |
994 | current_pos = self._control.textCursor().position() |
|
997 | current_pos = self._control.textCursor().position() | |
995 | prefix = commonprefix(items) |
|
998 | prefix = commonprefix(items) | |
996 | if prefix: |
|
999 | if prefix: | |
997 | cursor.setPosition(current_pos, QtGui.QTextCursor.KeepAnchor) |
|
1000 | cursor.setPosition(current_pos, QtGui.QTextCursor.KeepAnchor) | |
998 | cursor.insertText(prefix) |
|
1001 | cursor.insertText(prefix) | |
999 | current_pos = cursor.position() |
|
1002 | current_pos = cursor.position() | |
1000 |
|
1003 | |||
1001 | cursor.movePosition(QtGui.QTextCursor.Left, n=len(prefix)) |
|
1004 | cursor.movePosition(QtGui.QTextCursor.Left, n=len(prefix)) | |
1002 | self._completion_widget.show_items(cursor, items) |
|
1005 | self._completion_widget.show_items(cursor, items) | |
1003 |
|
1006 | |||
1004 |
|
1007 | |||
1005 | def _fill_temporary_buffer(self, cursor, text, html=False): |
|
1008 | def _fill_temporary_buffer(self, cursor, text, html=False): | |
1006 | """fill the area below the active editting zone with text""" |
|
1009 | """fill the area below the active editting zone with text""" | |
1007 |
|
1010 | |||
1008 | current_pos = self._control.textCursor().position() |
|
1011 | current_pos = self._control.textCursor().position() | |
1009 |
|
1012 | |||
1010 | cursor.beginEditBlock() |
|
1013 | cursor.beginEditBlock() | |
1011 | self._append_plain_text('\n') |
|
1014 | self._append_plain_text('\n') | |
1012 | self._page(text, html=html) |
|
1015 | self._page(text, html=html) | |
1013 | cursor.endEditBlock() |
|
1016 | cursor.endEditBlock() | |
1014 |
|
1017 | |||
1015 | cursor.setPosition(current_pos) |
|
1018 | cursor.setPosition(current_pos) | |
1016 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
1019 | self._control.moveCursor(QtGui.QTextCursor.End) | |
1017 | self._control.setTextCursor(cursor) |
|
1020 | self._control.setTextCursor(cursor) | |
1018 |
|
1021 | |||
1019 | self._temp_buffer_filled = True |
|
1022 | self._temp_buffer_filled = True | |
1020 |
|
1023 | |||
1021 |
|
1024 | |||
1022 | def _context_menu_make(self, pos): |
|
1025 | def _context_menu_make(self, pos): | |
1023 | """ Creates a context menu for the given QPoint (in widget coordinates). |
|
1026 | """ Creates a context menu for the given QPoint (in widget coordinates). | |
1024 | """ |
|
1027 | """ | |
1025 | menu = QtGui.QMenu(self) |
|
1028 | menu = QtGui.QMenu(self) | |
1026 |
|
1029 | |||
1027 | self.cut_action = menu.addAction('Cut', self.cut) |
|
1030 | self.cut_action = menu.addAction('Cut', self.cut) | |
1028 | self.cut_action.setEnabled(self.can_cut()) |
|
1031 | self.cut_action.setEnabled(self.can_cut()) | |
1029 | self.cut_action.setShortcut(QtGui.QKeySequence.Cut) |
|
1032 | self.cut_action.setShortcut(QtGui.QKeySequence.Cut) | |
1030 |
|
1033 | |||
1031 | self.copy_action = menu.addAction('Copy', self.copy) |
|
1034 | self.copy_action = menu.addAction('Copy', self.copy) | |
1032 | self.copy_action.setEnabled(self.can_copy()) |
|
1035 | self.copy_action.setEnabled(self.can_copy()) | |
1033 | self.copy_action.setShortcut(QtGui.QKeySequence.Copy) |
|
1036 | self.copy_action.setShortcut(QtGui.QKeySequence.Copy) | |
1034 |
|
1037 | |||
1035 | self.paste_action = menu.addAction('Paste', self.paste) |
|
1038 | self.paste_action = menu.addAction('Paste', self.paste) | |
1036 | self.paste_action.setEnabled(self.can_paste()) |
|
1039 | self.paste_action.setEnabled(self.can_paste()) | |
1037 | self.paste_action.setShortcut(QtGui.QKeySequence.Paste) |
|
1040 | self.paste_action.setShortcut(QtGui.QKeySequence.Paste) | |
1038 |
|
1041 | |||
1039 | anchor = self._control.anchorAt(pos) |
|
1042 | anchor = self._control.anchorAt(pos) | |
1040 | if anchor: |
|
1043 | if anchor: | |
1041 | menu.addSeparator() |
|
1044 | menu.addSeparator() | |
1042 | self.copy_link_action = menu.addAction( |
|
1045 | self.copy_link_action = menu.addAction( | |
1043 | 'Copy Link Address', lambda: self.copy_anchor(anchor=anchor)) |
|
1046 | 'Copy Link Address', lambda: self.copy_anchor(anchor=anchor)) | |
1044 | self.open_link_action = menu.addAction( |
|
1047 | self.open_link_action = menu.addAction( | |
1045 | 'Open Link', lambda: self.open_anchor(anchor=anchor)) |
|
1048 | 'Open Link', lambda: self.open_anchor(anchor=anchor)) | |
1046 |
|
1049 | |||
1047 | menu.addSeparator() |
|
1050 | menu.addSeparator() | |
1048 | menu.addAction(self.select_all_action) |
|
1051 | menu.addAction(self.select_all_action) | |
1049 |
|
1052 | |||
1050 | menu.addSeparator() |
|
1053 | menu.addSeparator() | |
1051 | menu.addAction(self.export_action) |
|
1054 | menu.addAction(self.export_action) | |
1052 | menu.addAction(self.print_action) |
|
1055 | menu.addAction(self.print_action) | |
1053 |
|
1056 | |||
1054 | return menu |
|
1057 | return menu | |
1055 |
|
1058 | |||
1056 | def _control_key_down(self, modifiers, include_command=False): |
|
1059 | def _control_key_down(self, modifiers, include_command=False): | |
1057 | """ Given a KeyboardModifiers flags object, return whether the Control |
|
1060 | """ Given a KeyboardModifiers flags object, return whether the Control | |
1058 | key is down. |
|
1061 | key is down. | |
1059 |
|
1062 | |||
1060 | Parameters: |
|
1063 | Parameters: | |
1061 | ----------- |
|
1064 | ----------- | |
1062 | include_command : bool, optional (default True) |
|
1065 | include_command : bool, optional (default True) | |
1063 | Whether to treat the Command key as a (mutually exclusive) synonym |
|
1066 | Whether to treat the Command key as a (mutually exclusive) synonym | |
1064 | for Control when in Mac OS. |
|
1067 | for Control when in Mac OS. | |
1065 | """ |
|
1068 | """ | |
1066 | # Note that on Mac OS, ControlModifier corresponds to the Command key |
|
1069 | # Note that on Mac OS, ControlModifier corresponds to the Command key | |
1067 | # while MetaModifier corresponds to the Control key. |
|
1070 | # while MetaModifier corresponds to the Control key. | |
1068 | if sys.platform == 'darwin': |
|
1071 | if sys.platform == 'darwin': | |
1069 | down = include_command and (modifiers & QtCore.Qt.ControlModifier) |
|
1072 | down = include_command and (modifiers & QtCore.Qt.ControlModifier) | |
1070 | return bool(down) ^ bool(modifiers & QtCore.Qt.MetaModifier) |
|
1073 | return bool(down) ^ bool(modifiers & QtCore.Qt.MetaModifier) | |
1071 | else: |
|
1074 | else: | |
1072 | return bool(modifiers & QtCore.Qt.ControlModifier) |
|
1075 | return bool(modifiers & QtCore.Qt.ControlModifier) | |
1073 |
|
1076 | |||
1074 | def _create_control(self): |
|
1077 | def _create_control(self): | |
1075 | """ Creates and connects the underlying text widget. |
|
1078 | """ Creates and connects the underlying text widget. | |
1076 | """ |
|
1079 | """ | |
1077 | # Create the underlying control. |
|
1080 | # Create the underlying control. | |
1078 | if self.custom_control: |
|
1081 | if self.custom_control: | |
1079 | control = self.custom_control() |
|
1082 | control = self.custom_control() | |
1080 | elif self.kind == 'plain': |
|
1083 | elif self.kind == 'plain': | |
1081 | control = QtGui.QPlainTextEdit() |
|
1084 | control = QtGui.QPlainTextEdit() | |
1082 | elif self.kind == 'rich': |
|
1085 | elif self.kind == 'rich': | |
1083 | control = QtGui.QTextEdit() |
|
1086 | control = QtGui.QTextEdit() | |
1084 | control.setAcceptRichText(False) |
|
1087 | control.setAcceptRichText(False) | |
1085 | control.setMouseTracking(True) |
|
1088 | control.setMouseTracking(True) | |
1086 |
|
1089 | |||
1087 | # Prevent the widget from handling drops, as we already provide |
|
1090 | # Prevent the widget from handling drops, as we already provide | |
1088 | # the logic in this class. |
|
1091 | # the logic in this class. | |
1089 | control.setAcceptDrops(False) |
|
1092 | control.setAcceptDrops(False) | |
1090 |
|
1093 | |||
1091 | # Install event filters. The filter on the viewport is needed for |
|
1094 | # Install event filters. The filter on the viewport is needed for | |
1092 | # mouse events. |
|
1095 | # mouse events. | |
1093 | control.installEventFilter(self) |
|
1096 | control.installEventFilter(self) | |
1094 | control.viewport().installEventFilter(self) |
|
1097 | control.viewport().installEventFilter(self) | |
1095 |
|
1098 | |||
1096 | # Connect signals. |
|
1099 | # Connect signals. | |
1097 | control.customContextMenuRequested.connect( |
|
1100 | control.customContextMenuRequested.connect( | |
1098 | self._custom_context_menu_requested) |
|
1101 | self._custom_context_menu_requested) | |
1099 | control.copyAvailable.connect(self.copy_available) |
|
1102 | control.copyAvailable.connect(self.copy_available) | |
1100 | control.redoAvailable.connect(self.redo_available) |
|
1103 | control.redoAvailable.connect(self.redo_available) | |
1101 | control.undoAvailable.connect(self.undo_available) |
|
1104 | control.undoAvailable.connect(self.undo_available) | |
1102 |
|
1105 | |||
1103 | # Hijack the document size change signal to prevent Qt from adjusting |
|
1106 | # Hijack the document size change signal to prevent Qt from adjusting | |
1104 | # the viewport's scrollbar. We are relying on an implementation detail |
|
1107 | # the viewport's scrollbar. We are relying on an implementation detail | |
1105 | # of Q(Plain)TextEdit here, which is potentially dangerous, but without |
|
1108 | # of Q(Plain)TextEdit here, which is potentially dangerous, but without | |
1106 | # this functionality we cannot create a nice terminal interface. |
|
1109 | # this functionality we cannot create a nice terminal interface. | |
1107 | layout = control.document().documentLayout() |
|
1110 | layout = control.document().documentLayout() | |
1108 | layout.documentSizeChanged.disconnect() |
|
1111 | layout.documentSizeChanged.disconnect() | |
1109 | layout.documentSizeChanged.connect(self._adjust_scrollbars) |
|
1112 | layout.documentSizeChanged.connect(self._adjust_scrollbars) | |
1110 |
|
1113 | |||
1111 | # Configure the control. |
|
1114 | # Configure the control. | |
1112 | control.setAttribute(QtCore.Qt.WA_InputMethodEnabled, True) |
|
1115 | control.setAttribute(QtCore.Qt.WA_InputMethodEnabled, True) | |
1113 | control.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) |
|
1116 | control.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) | |
1114 | control.setReadOnly(True) |
|
1117 | control.setReadOnly(True) | |
1115 | control.setUndoRedoEnabled(False) |
|
1118 | control.setUndoRedoEnabled(False) | |
1116 | control.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn) |
|
1119 | control.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn) | |
1117 | return control |
|
1120 | return control | |
1118 |
|
1121 | |||
1119 | def _create_page_control(self): |
|
1122 | def _create_page_control(self): | |
1120 | """ Creates and connects the underlying paging widget. |
|
1123 | """ Creates and connects the underlying paging widget. | |
1121 | """ |
|
1124 | """ | |
1122 | if self.custom_page_control: |
|
1125 | if self.custom_page_control: | |
1123 | control = self.custom_page_control() |
|
1126 | control = self.custom_page_control() | |
1124 | elif self.kind == 'plain': |
|
1127 | elif self.kind == 'plain': | |
1125 | control = QtGui.QPlainTextEdit() |
|
1128 | control = QtGui.QPlainTextEdit() | |
1126 | elif self.kind == 'rich': |
|
1129 | elif self.kind == 'rich': | |
1127 | control = QtGui.QTextEdit() |
|
1130 | control = QtGui.QTextEdit() | |
1128 | control.installEventFilter(self) |
|
1131 | control.installEventFilter(self) | |
1129 | viewport = control.viewport() |
|
1132 | viewport = control.viewport() | |
1130 | viewport.installEventFilter(self) |
|
1133 | viewport.installEventFilter(self) | |
1131 | control.setReadOnly(True) |
|
1134 | control.setReadOnly(True) | |
1132 | control.setUndoRedoEnabled(False) |
|
1135 | control.setUndoRedoEnabled(False) | |
1133 | control.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn) |
|
1136 | control.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn) | |
1134 | return control |
|
1137 | return control | |
1135 |
|
1138 | |||
1136 | def _event_filter_console_keypress(self, event): |
|
1139 | def _event_filter_console_keypress(self, event): | |
1137 | """ Filter key events for the underlying text widget to create a |
|
1140 | """ Filter key events for the underlying text widget to create a | |
1138 | console-like interface. |
|
1141 | console-like interface. | |
1139 | """ |
|
1142 | """ | |
1140 | intercepted = False |
|
1143 | intercepted = False | |
1141 | cursor = self._control.textCursor() |
|
1144 | cursor = self._control.textCursor() | |
1142 | position = cursor.position() |
|
1145 | position = cursor.position() | |
1143 | key = event.key() |
|
1146 | key = event.key() | |
1144 | ctrl_down = self._control_key_down(event.modifiers()) |
|
1147 | ctrl_down = self._control_key_down(event.modifiers()) | |
1145 | alt_down = event.modifiers() & QtCore.Qt.AltModifier |
|
1148 | alt_down = event.modifiers() & QtCore.Qt.AltModifier | |
1146 | shift_down = event.modifiers() & QtCore.Qt.ShiftModifier |
|
1149 | shift_down = event.modifiers() & QtCore.Qt.ShiftModifier | |
1147 |
|
1150 | |||
1148 | #------ Special sequences ---------------------------------------------- |
|
1151 | #------ Special sequences ---------------------------------------------- | |
1149 |
|
1152 | |||
1150 | if event.matches(QtGui.QKeySequence.Copy): |
|
1153 | if event.matches(QtGui.QKeySequence.Copy): | |
1151 | self.copy() |
|
1154 | self.copy() | |
1152 | intercepted = True |
|
1155 | intercepted = True | |
1153 |
|
1156 | |||
1154 | elif event.matches(QtGui.QKeySequence.Cut): |
|
1157 | elif event.matches(QtGui.QKeySequence.Cut): | |
1155 | self.cut() |
|
1158 | self.cut() | |
1156 | intercepted = True |
|
1159 | intercepted = True | |
1157 |
|
1160 | |||
1158 | elif event.matches(QtGui.QKeySequence.Paste): |
|
1161 | elif event.matches(QtGui.QKeySequence.Paste): | |
1159 | self.paste() |
|
1162 | self.paste() | |
1160 | intercepted = True |
|
1163 | intercepted = True | |
1161 |
|
1164 | |||
1162 | #------ Special modifier logic ----------------------------------------- |
|
1165 | #------ Special modifier logic ----------------------------------------- | |
1163 |
|
1166 | |||
1164 | elif key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter): |
|
1167 | elif key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter): | |
1165 | intercepted = True |
|
1168 | intercepted = True | |
1166 |
|
1169 | |||
1167 | # Special handling when tab completing in text mode. |
|
1170 | # Special handling when tab completing in text mode. | |
1168 | self._cancel_completion() |
|
1171 | self._cancel_completion() | |
1169 |
|
1172 | |||
1170 | if self._in_buffer(position): |
|
1173 | if self._in_buffer(position): | |
1171 | # Special handling when a reading a line of raw input. |
|
1174 | # Special handling when a reading a line of raw input. | |
1172 | if self._reading: |
|
1175 | if self._reading: | |
1173 | self._append_plain_text('\n') |
|
1176 | self._append_plain_text('\n') | |
1174 | self._reading = False |
|
1177 | self._reading = False | |
1175 | if self._reading_callback: |
|
1178 | if self._reading_callback: | |
1176 | self._reading_callback() |
|
1179 | self._reading_callback() | |
1177 |
|
1180 | |||
1178 | # If the input buffer is a single line or there is only |
|
1181 | # If the input buffer is a single line or there is only | |
1179 | # whitespace after the cursor, execute. Otherwise, split the |
|
1182 | # whitespace after the cursor, execute. Otherwise, split the | |
1180 | # line with a continuation prompt. |
|
1183 | # line with a continuation prompt. | |
1181 | elif not self._executing: |
|
1184 | elif not self._executing: | |
1182 | cursor.movePosition(QtGui.QTextCursor.End, |
|
1185 | cursor.movePosition(QtGui.QTextCursor.End, | |
1183 | QtGui.QTextCursor.KeepAnchor) |
|
1186 | QtGui.QTextCursor.KeepAnchor) | |
1184 | at_end = len(cursor.selectedText().strip()) == 0 |
|
1187 | at_end = len(cursor.selectedText().strip()) == 0 | |
1185 | single_line = (self._get_end_cursor().blockNumber() == |
|
1188 | single_line = (self._get_end_cursor().blockNumber() == | |
1186 | self._get_prompt_cursor().blockNumber()) |
|
1189 | self._get_prompt_cursor().blockNumber()) | |
1187 | if (at_end or shift_down or single_line) and not ctrl_down: |
|
1190 | if (at_end or shift_down or single_line) and not ctrl_down: | |
1188 | self.execute(interactive = not shift_down) |
|
1191 | self.execute(interactive = not shift_down) | |
1189 | else: |
|
1192 | else: | |
1190 | # Do this inside an edit block for clean undo/redo. |
|
1193 | # Do this inside an edit block for clean undo/redo. | |
1191 | cursor.beginEditBlock() |
|
1194 | cursor.beginEditBlock() | |
1192 | cursor.setPosition(position) |
|
1195 | cursor.setPosition(position) | |
1193 | cursor.insertText('\n') |
|
1196 | cursor.insertText('\n') | |
1194 | self._insert_continuation_prompt(cursor) |
|
1197 | self._insert_continuation_prompt(cursor) | |
1195 | cursor.endEditBlock() |
|
1198 | cursor.endEditBlock() | |
1196 |
|
1199 | |||
1197 | # Ensure that the whole input buffer is visible. |
|
1200 | # Ensure that the whole input buffer is visible. | |
1198 | # FIXME: This will not be usable if the input buffer is |
|
1201 | # FIXME: This will not be usable if the input buffer is | |
1199 | # taller than the console widget. |
|
1202 | # taller than the console widget. | |
1200 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
1203 | self._control.moveCursor(QtGui.QTextCursor.End) | |
1201 | self._control.setTextCursor(cursor) |
|
1204 | self._control.setTextCursor(cursor) | |
1202 |
|
1205 | |||
1203 | #------ Control/Cmd modifier ------------------------------------------- |
|
1206 | #------ Control/Cmd modifier ------------------------------------------- | |
1204 |
|
1207 | |||
1205 | elif ctrl_down: |
|
1208 | elif ctrl_down: | |
1206 | if key == QtCore.Qt.Key_G: |
|
1209 | if key == QtCore.Qt.Key_G: | |
1207 | self._keyboard_quit() |
|
1210 | self._keyboard_quit() | |
1208 | intercepted = True |
|
1211 | intercepted = True | |
1209 |
|
1212 | |||
1210 | elif key == QtCore.Qt.Key_K: |
|
1213 | elif key == QtCore.Qt.Key_K: | |
1211 | if self._in_buffer(position): |
|
1214 | if self._in_buffer(position): | |
1212 | cursor.clearSelection() |
|
1215 | cursor.clearSelection() | |
1213 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, |
|
1216 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, | |
1214 | QtGui.QTextCursor.KeepAnchor) |
|
1217 | QtGui.QTextCursor.KeepAnchor) | |
1215 | if not cursor.hasSelection(): |
|
1218 | if not cursor.hasSelection(): | |
1216 | # Line deletion (remove continuation prompt) |
|
1219 | # Line deletion (remove continuation prompt) | |
1217 | cursor.movePosition(QtGui.QTextCursor.NextBlock, |
|
1220 | cursor.movePosition(QtGui.QTextCursor.NextBlock, | |
1218 | QtGui.QTextCursor.KeepAnchor) |
|
1221 | QtGui.QTextCursor.KeepAnchor) | |
1219 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
1222 | cursor.movePosition(QtGui.QTextCursor.Right, | |
1220 | QtGui.QTextCursor.KeepAnchor, |
|
1223 | QtGui.QTextCursor.KeepAnchor, | |
1221 | len(self._continuation_prompt)) |
|
1224 | len(self._continuation_prompt)) | |
1222 | self._kill_ring.kill_cursor(cursor) |
|
1225 | self._kill_ring.kill_cursor(cursor) | |
1223 | self._set_cursor(cursor) |
|
1226 | self._set_cursor(cursor) | |
1224 | intercepted = True |
|
1227 | intercepted = True | |
1225 |
|
1228 | |||
1226 | elif key == QtCore.Qt.Key_L: |
|
1229 | elif key == QtCore.Qt.Key_L: | |
1227 | self.prompt_to_top() |
|
1230 | self.prompt_to_top() | |
1228 | intercepted = True |
|
1231 | intercepted = True | |
1229 |
|
1232 | |||
1230 | elif key == QtCore.Qt.Key_O: |
|
1233 | elif key == QtCore.Qt.Key_O: | |
1231 | if self._page_control and self._page_control.isVisible(): |
|
1234 | if self._page_control and self._page_control.isVisible(): | |
1232 | self._page_control.setFocus() |
|
1235 | self._page_control.setFocus() | |
1233 | intercepted = True |
|
1236 | intercepted = True | |
1234 |
|
1237 | |||
1235 | elif key == QtCore.Qt.Key_U: |
|
1238 | elif key == QtCore.Qt.Key_U: | |
1236 | if self._in_buffer(position): |
|
1239 | if self._in_buffer(position): | |
1237 | cursor.clearSelection() |
|
1240 | cursor.clearSelection() | |
1238 | start_line = cursor.blockNumber() |
|
1241 | start_line = cursor.blockNumber() | |
1239 | if start_line == self._get_prompt_cursor().blockNumber(): |
|
1242 | if start_line == self._get_prompt_cursor().blockNumber(): | |
1240 | offset = len(self._prompt) |
|
1243 | offset = len(self._prompt) | |
1241 | else: |
|
1244 | else: | |
1242 | offset = len(self._continuation_prompt) |
|
1245 | offset = len(self._continuation_prompt) | |
1243 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, |
|
1246 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, | |
1244 | QtGui.QTextCursor.KeepAnchor) |
|
1247 | QtGui.QTextCursor.KeepAnchor) | |
1245 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
1248 | cursor.movePosition(QtGui.QTextCursor.Right, | |
1246 | QtGui.QTextCursor.KeepAnchor, offset) |
|
1249 | QtGui.QTextCursor.KeepAnchor, offset) | |
1247 | self._kill_ring.kill_cursor(cursor) |
|
1250 | self._kill_ring.kill_cursor(cursor) | |
1248 | self._set_cursor(cursor) |
|
1251 | self._set_cursor(cursor) | |
1249 | intercepted = True |
|
1252 | intercepted = True | |
1250 |
|
1253 | |||
1251 | elif key == QtCore.Qt.Key_Y: |
|
1254 | elif key == QtCore.Qt.Key_Y: | |
1252 | self._keep_cursor_in_buffer() |
|
1255 | self._keep_cursor_in_buffer() | |
1253 | self._kill_ring.yank() |
|
1256 | self._kill_ring.yank() | |
1254 | intercepted = True |
|
1257 | intercepted = True | |
1255 |
|
1258 | |||
1256 | elif key in (QtCore.Qt.Key_Backspace, QtCore.Qt.Key_Delete): |
|
1259 | elif key in (QtCore.Qt.Key_Backspace, QtCore.Qt.Key_Delete): | |
1257 | if key == QtCore.Qt.Key_Backspace: |
|
1260 | if key == QtCore.Qt.Key_Backspace: | |
1258 | cursor = self._get_word_start_cursor(position) |
|
1261 | cursor = self._get_word_start_cursor(position) | |
1259 | else: # key == QtCore.Qt.Key_Delete |
|
1262 | else: # key == QtCore.Qt.Key_Delete | |
1260 | cursor = self._get_word_end_cursor(position) |
|
1263 | cursor = self._get_word_end_cursor(position) | |
1261 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
|
1264 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |
1262 | self._kill_ring.kill_cursor(cursor) |
|
1265 | self._kill_ring.kill_cursor(cursor) | |
1263 | intercepted = True |
|
1266 | intercepted = True | |
1264 |
|
1267 | |||
1265 | elif key == QtCore.Qt.Key_D: |
|
1268 | elif key == QtCore.Qt.Key_D: | |
1266 | if len(self.input_buffer) == 0: |
|
1269 | if len(self.input_buffer) == 0: | |
1267 | self.exit_requested.emit(self) |
|
1270 | self.exit_requested.emit(self) | |
1268 | else: |
|
1271 | else: | |
1269 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, |
|
1272 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, | |
1270 | QtCore.Qt.Key_Delete, |
|
1273 | QtCore.Qt.Key_Delete, | |
1271 | QtCore.Qt.NoModifier) |
|
1274 | QtCore.Qt.NoModifier) | |
1272 | QtGui.qApp.sendEvent(self._control, new_event) |
|
1275 | QtGui.qApp.sendEvent(self._control, new_event) | |
1273 | intercepted = True |
|
1276 | intercepted = True | |
1274 |
|
1277 | |||
1275 | #------ Alt modifier --------------------------------------------------- |
|
1278 | #------ Alt modifier --------------------------------------------------- | |
1276 |
|
1279 | |||
1277 | elif alt_down: |
|
1280 | elif alt_down: | |
1278 | if key == QtCore.Qt.Key_B: |
|
1281 | if key == QtCore.Qt.Key_B: | |
1279 | self._set_cursor(self._get_word_start_cursor(position)) |
|
1282 | self._set_cursor(self._get_word_start_cursor(position)) | |
1280 | intercepted = True |
|
1283 | intercepted = True | |
1281 |
|
1284 | |||
1282 | elif key == QtCore.Qt.Key_F: |
|
1285 | elif key == QtCore.Qt.Key_F: | |
1283 | self._set_cursor(self._get_word_end_cursor(position)) |
|
1286 | self._set_cursor(self._get_word_end_cursor(position)) | |
1284 | intercepted = True |
|
1287 | intercepted = True | |
1285 |
|
1288 | |||
1286 | elif key == QtCore.Qt.Key_Y: |
|
1289 | elif key == QtCore.Qt.Key_Y: | |
1287 | self._kill_ring.rotate() |
|
1290 | self._kill_ring.rotate() | |
1288 | intercepted = True |
|
1291 | intercepted = True | |
1289 |
|
1292 | |||
1290 | elif key == QtCore.Qt.Key_Backspace: |
|
1293 | elif key == QtCore.Qt.Key_Backspace: | |
1291 | cursor = self._get_word_start_cursor(position) |
|
1294 | cursor = self._get_word_start_cursor(position) | |
1292 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
|
1295 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |
1293 | self._kill_ring.kill_cursor(cursor) |
|
1296 | self._kill_ring.kill_cursor(cursor) | |
1294 | intercepted = True |
|
1297 | intercepted = True | |
1295 |
|
1298 | |||
1296 | elif key == QtCore.Qt.Key_D: |
|
1299 | elif key == QtCore.Qt.Key_D: | |
1297 | cursor = self._get_word_end_cursor(position) |
|
1300 | cursor = self._get_word_end_cursor(position) | |
1298 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
|
1301 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |
1299 | self._kill_ring.kill_cursor(cursor) |
|
1302 | self._kill_ring.kill_cursor(cursor) | |
1300 | intercepted = True |
|
1303 | intercepted = True | |
1301 |
|
1304 | |||
1302 | elif key == QtCore.Qt.Key_Delete: |
|
1305 | elif key == QtCore.Qt.Key_Delete: | |
1303 | intercepted = True |
|
1306 | intercepted = True | |
1304 |
|
1307 | |||
1305 | elif key == QtCore.Qt.Key_Greater: |
|
1308 | elif key == QtCore.Qt.Key_Greater: | |
1306 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
1309 | self._control.moveCursor(QtGui.QTextCursor.End) | |
1307 | intercepted = True |
|
1310 | intercepted = True | |
1308 |
|
1311 | |||
1309 | elif key == QtCore.Qt.Key_Less: |
|
1312 | elif key == QtCore.Qt.Key_Less: | |
1310 | self._control.setTextCursor(self._get_prompt_cursor()) |
|
1313 | self._control.setTextCursor(self._get_prompt_cursor()) | |
1311 | intercepted = True |
|
1314 | intercepted = True | |
1312 |
|
1315 | |||
1313 | #------ No modifiers --------------------------------------------------- |
|
1316 | #------ No modifiers --------------------------------------------------- | |
1314 |
|
1317 | |||
1315 | else: |
|
1318 | else: | |
1316 | if shift_down: |
|
1319 | if shift_down: | |
1317 | anchormode = QtGui.QTextCursor.KeepAnchor |
|
1320 | anchormode = QtGui.QTextCursor.KeepAnchor | |
1318 | else: |
|
1321 | else: | |
1319 | anchormode = QtGui.QTextCursor.MoveAnchor |
|
1322 | anchormode = QtGui.QTextCursor.MoveAnchor | |
1320 |
|
1323 | |||
1321 | if key == QtCore.Qt.Key_Escape: |
|
1324 | if key == QtCore.Qt.Key_Escape: | |
1322 | self._keyboard_quit() |
|
1325 | self._keyboard_quit() | |
1323 | intercepted = True |
|
1326 | intercepted = True | |
1324 |
|
1327 | |||
1325 | elif key == QtCore.Qt.Key_Up: |
|
1328 | elif key == QtCore.Qt.Key_Up: | |
1326 | if self._reading or not self._up_pressed(shift_down): |
|
1329 | if self._reading or not self._up_pressed(shift_down): | |
1327 | intercepted = True |
|
1330 | intercepted = True | |
1328 | else: |
|
1331 | else: | |
1329 | prompt_line = self._get_prompt_cursor().blockNumber() |
|
1332 | prompt_line = self._get_prompt_cursor().blockNumber() | |
1330 | intercepted = cursor.blockNumber() <= prompt_line |
|
1333 | intercepted = cursor.blockNumber() <= prompt_line | |
1331 |
|
1334 | |||
1332 | elif key == QtCore.Qt.Key_Down: |
|
1335 | elif key == QtCore.Qt.Key_Down: | |
1333 | if self._reading or not self._down_pressed(shift_down): |
|
1336 | if self._reading or not self._down_pressed(shift_down): | |
1334 | intercepted = True |
|
1337 | intercepted = True | |
1335 | else: |
|
1338 | else: | |
1336 | end_line = self._get_end_cursor().blockNumber() |
|
1339 | end_line = self._get_end_cursor().blockNumber() | |
1337 | intercepted = cursor.blockNumber() == end_line |
|
1340 | intercepted = cursor.blockNumber() == end_line | |
1338 |
|
1341 | |||
1339 | elif key == QtCore.Qt.Key_Tab: |
|
1342 | elif key == QtCore.Qt.Key_Tab: | |
1340 | if not self._reading: |
|
1343 | if not self._reading: | |
1341 | if self._tab_pressed(): |
|
1344 | if self._tab_pressed(): | |
1342 | # real tab-key, insert four spaces |
|
1345 | # real tab-key, insert four spaces | |
1343 | cursor.insertText(' '*4) |
|
1346 | cursor.insertText(' '*4) | |
1344 | intercepted = True |
|
1347 | intercepted = True | |
1345 |
|
1348 | |||
1346 | elif key == QtCore.Qt.Key_Left: |
|
1349 | elif key == QtCore.Qt.Key_Left: | |
1347 |
|
1350 | |||
1348 | # Move to the previous line |
|
1351 | # Move to the previous line | |
1349 | line, col = cursor.blockNumber(), cursor.columnNumber() |
|
1352 | line, col = cursor.blockNumber(), cursor.columnNumber() | |
1350 | if line > self._get_prompt_cursor().blockNumber() and \ |
|
1353 | if line > self._get_prompt_cursor().blockNumber() and \ | |
1351 | col == len(self._continuation_prompt): |
|
1354 | col == len(self._continuation_prompt): | |
1352 | self._control.moveCursor(QtGui.QTextCursor.PreviousBlock, |
|
1355 | self._control.moveCursor(QtGui.QTextCursor.PreviousBlock, | |
1353 | mode=anchormode) |
|
1356 | mode=anchormode) | |
1354 | self._control.moveCursor(QtGui.QTextCursor.EndOfBlock, |
|
1357 | self._control.moveCursor(QtGui.QTextCursor.EndOfBlock, | |
1355 | mode=anchormode) |
|
1358 | mode=anchormode) | |
1356 | intercepted = True |
|
1359 | intercepted = True | |
1357 |
|
1360 | |||
1358 | # Regular left movement |
|
1361 | # Regular left movement | |
1359 | else: |
|
1362 | else: | |
1360 | intercepted = not self._in_buffer(position - 1) |
|
1363 | intercepted = not self._in_buffer(position - 1) | |
1361 |
|
1364 | |||
1362 | elif key == QtCore.Qt.Key_Right: |
|
1365 | elif key == QtCore.Qt.Key_Right: | |
1363 | original_block_number = cursor.blockNumber() |
|
1366 | original_block_number = cursor.blockNumber() | |
1364 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
1367 | cursor.movePosition(QtGui.QTextCursor.Right, | |
1365 | mode=anchormode) |
|
1368 | mode=anchormode) | |
1366 | if cursor.blockNumber() != original_block_number: |
|
1369 | if cursor.blockNumber() != original_block_number: | |
1367 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
1370 | cursor.movePosition(QtGui.QTextCursor.Right, | |
1368 | n=len(self._continuation_prompt), |
|
1371 | n=len(self._continuation_prompt), | |
1369 | mode=anchormode) |
|
1372 | mode=anchormode) | |
1370 | self._set_cursor(cursor) |
|
1373 | self._set_cursor(cursor) | |
1371 | intercepted = True |
|
1374 | intercepted = True | |
1372 |
|
1375 | |||
1373 | elif key == QtCore.Qt.Key_Home: |
|
1376 | elif key == QtCore.Qt.Key_Home: | |
1374 | start_line = cursor.blockNumber() |
|
1377 | start_line = cursor.blockNumber() | |
1375 | if start_line == self._get_prompt_cursor().blockNumber(): |
|
1378 | if start_line == self._get_prompt_cursor().blockNumber(): | |
1376 | start_pos = self._prompt_pos |
|
1379 | start_pos = self._prompt_pos | |
1377 | else: |
|
1380 | else: | |
1378 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, |
|
1381 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, | |
1379 | QtGui.QTextCursor.KeepAnchor) |
|
1382 | QtGui.QTextCursor.KeepAnchor) | |
1380 | start_pos = cursor.position() |
|
1383 | start_pos = cursor.position() | |
1381 | start_pos += len(self._continuation_prompt) |
|
1384 | start_pos += len(self._continuation_prompt) | |
1382 | cursor.setPosition(position) |
|
1385 | cursor.setPosition(position) | |
1383 | if shift_down and self._in_buffer(position): |
|
1386 | if shift_down and self._in_buffer(position): | |
1384 | cursor.setPosition(start_pos, QtGui.QTextCursor.KeepAnchor) |
|
1387 | cursor.setPosition(start_pos, QtGui.QTextCursor.KeepAnchor) | |
1385 | else: |
|
1388 | else: | |
1386 | cursor.setPosition(start_pos) |
|
1389 | cursor.setPosition(start_pos) | |
1387 | self._set_cursor(cursor) |
|
1390 | self._set_cursor(cursor) | |
1388 | intercepted = True |
|
1391 | intercepted = True | |
1389 |
|
1392 | |||
1390 | elif key == QtCore.Qt.Key_Backspace: |
|
1393 | elif key == QtCore.Qt.Key_Backspace: | |
1391 |
|
1394 | |||
1392 | # Line deletion (remove continuation prompt) |
|
1395 | # Line deletion (remove continuation prompt) | |
1393 | line, col = cursor.blockNumber(), cursor.columnNumber() |
|
1396 | line, col = cursor.blockNumber(), cursor.columnNumber() | |
1394 | if not self._reading and \ |
|
1397 | if not self._reading and \ | |
1395 | col == len(self._continuation_prompt) and \ |
|
1398 | col == len(self._continuation_prompt) and \ | |
1396 | line > self._get_prompt_cursor().blockNumber(): |
|
1399 | line > self._get_prompt_cursor().blockNumber(): | |
1397 | cursor.beginEditBlock() |
|
1400 | cursor.beginEditBlock() | |
1398 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, |
|
1401 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock, | |
1399 | QtGui.QTextCursor.KeepAnchor) |
|
1402 | QtGui.QTextCursor.KeepAnchor) | |
1400 | cursor.removeSelectedText() |
|
1403 | cursor.removeSelectedText() | |
1401 | cursor.deletePreviousChar() |
|
1404 | cursor.deletePreviousChar() | |
1402 | cursor.endEditBlock() |
|
1405 | cursor.endEditBlock() | |
1403 | intercepted = True |
|
1406 | intercepted = True | |
1404 |
|
1407 | |||
1405 | # Regular backwards deletion |
|
1408 | # Regular backwards deletion | |
1406 | else: |
|
1409 | else: | |
1407 | anchor = cursor.anchor() |
|
1410 | anchor = cursor.anchor() | |
1408 | if anchor == position: |
|
1411 | if anchor == position: | |
1409 | intercepted = not self._in_buffer(position - 1) |
|
1412 | intercepted = not self._in_buffer(position - 1) | |
1410 | else: |
|
1413 | else: | |
1411 | intercepted = not self._in_buffer(min(anchor, position)) |
|
1414 | intercepted = not self._in_buffer(min(anchor, position)) | |
1412 |
|
1415 | |||
1413 | elif key == QtCore.Qt.Key_Delete: |
|
1416 | elif key == QtCore.Qt.Key_Delete: | |
1414 |
|
1417 | |||
1415 | # Line deletion (remove continuation prompt) |
|
1418 | # Line deletion (remove continuation prompt) | |
1416 | if not self._reading and self._in_buffer(position) and \ |
|
1419 | if not self._reading and self._in_buffer(position) and \ | |
1417 | cursor.atBlockEnd() and not cursor.hasSelection(): |
|
1420 | cursor.atBlockEnd() and not cursor.hasSelection(): | |
1418 | cursor.movePosition(QtGui.QTextCursor.NextBlock, |
|
1421 | cursor.movePosition(QtGui.QTextCursor.NextBlock, | |
1419 | QtGui.QTextCursor.KeepAnchor) |
|
1422 | QtGui.QTextCursor.KeepAnchor) | |
1420 | cursor.movePosition(QtGui.QTextCursor.Right, |
|
1423 | cursor.movePosition(QtGui.QTextCursor.Right, | |
1421 | QtGui.QTextCursor.KeepAnchor, |
|
1424 | QtGui.QTextCursor.KeepAnchor, | |
1422 | len(self._continuation_prompt)) |
|
1425 | len(self._continuation_prompt)) | |
1423 | cursor.removeSelectedText() |
|
1426 | cursor.removeSelectedText() | |
1424 | intercepted = True |
|
1427 | intercepted = True | |
1425 |
|
1428 | |||
1426 | # Regular forwards deletion: |
|
1429 | # Regular forwards deletion: | |
1427 | else: |
|
1430 | else: | |
1428 | anchor = cursor.anchor() |
|
1431 | anchor = cursor.anchor() | |
1429 | intercepted = (not self._in_buffer(anchor) or |
|
1432 | intercepted = (not self._in_buffer(anchor) or | |
1430 | not self._in_buffer(position)) |
|
1433 | not self._in_buffer(position)) | |
1431 |
|
1434 | |||
1432 | # Don't move the cursor if Control/Cmd is pressed to allow copy-paste |
|
1435 | # Don't move the cursor if Control/Cmd is pressed to allow copy-paste | |
1433 | # using the keyboard in any part of the buffer. Also, permit scrolling |
|
1436 | # using the keyboard in any part of the buffer. Also, permit scrolling | |
1434 | # with Page Up/Down keys. Finally, if we're executing, don't move the |
|
1437 | # with Page Up/Down keys. Finally, if we're executing, don't move the | |
1435 | # cursor (if even this made sense, we can't guarantee that the prompt |
|
1438 | # cursor (if even this made sense, we can't guarantee that the prompt | |
1436 | # position is still valid due to text truncation). |
|
1439 | # position is still valid due to text truncation). | |
1437 | if not (self._control_key_down(event.modifiers(), include_command=True) |
|
1440 | if not (self._control_key_down(event.modifiers(), include_command=True) | |
1438 | or key in (QtCore.Qt.Key_PageUp, QtCore.Qt.Key_PageDown) |
|
1441 | or key in (QtCore.Qt.Key_PageUp, QtCore.Qt.Key_PageDown) | |
1439 | or (self._executing and not self._reading)): |
|
1442 | or (self._executing and not self._reading)): | |
1440 | self._keep_cursor_in_buffer() |
|
1443 | self._keep_cursor_in_buffer() | |
1441 |
|
1444 | |||
1442 | return intercepted |
|
1445 | return intercepted | |
1443 |
|
1446 | |||
1444 | def _event_filter_page_keypress(self, event): |
|
1447 | def _event_filter_page_keypress(self, event): | |
1445 | """ Filter key events for the paging widget to create console-like |
|
1448 | """ Filter key events for the paging widget to create console-like | |
1446 | interface. |
|
1449 | interface. | |
1447 | """ |
|
1450 | """ | |
1448 | key = event.key() |
|
1451 | key = event.key() | |
1449 | ctrl_down = self._control_key_down(event.modifiers()) |
|
1452 | ctrl_down = self._control_key_down(event.modifiers()) | |
1450 | alt_down = event.modifiers() & QtCore.Qt.AltModifier |
|
1453 | alt_down = event.modifiers() & QtCore.Qt.AltModifier | |
1451 |
|
1454 | |||
1452 | if ctrl_down: |
|
1455 | if ctrl_down: | |
1453 | if key == QtCore.Qt.Key_O: |
|
1456 | if key == QtCore.Qt.Key_O: | |
1454 | self._control.setFocus() |
|
1457 | self._control.setFocus() | |
1455 | intercept = True |
|
1458 | intercept = True | |
1456 |
|
1459 | |||
1457 | elif alt_down: |
|
1460 | elif alt_down: | |
1458 | if key == QtCore.Qt.Key_Greater: |
|
1461 | if key == QtCore.Qt.Key_Greater: | |
1459 | self._page_control.moveCursor(QtGui.QTextCursor.End) |
|
1462 | self._page_control.moveCursor(QtGui.QTextCursor.End) | |
1460 | intercepted = True |
|
1463 | intercepted = True | |
1461 |
|
1464 | |||
1462 | elif key == QtCore.Qt.Key_Less: |
|
1465 | elif key == QtCore.Qt.Key_Less: | |
1463 | self._page_control.moveCursor(QtGui.QTextCursor.Start) |
|
1466 | self._page_control.moveCursor(QtGui.QTextCursor.Start) | |
1464 | intercepted = True |
|
1467 | intercepted = True | |
1465 |
|
1468 | |||
1466 | elif key in (QtCore.Qt.Key_Q, QtCore.Qt.Key_Escape): |
|
1469 | elif key in (QtCore.Qt.Key_Q, QtCore.Qt.Key_Escape): | |
1467 | if self._splitter: |
|
1470 | if self._splitter: | |
1468 | self._page_control.hide() |
|
1471 | self._page_control.hide() | |
1469 | self._control.setFocus() |
|
1472 | self._control.setFocus() | |
1470 | else: |
|
1473 | else: | |
1471 | self.layout().setCurrentWidget(self._control) |
|
1474 | self.layout().setCurrentWidget(self._control) | |
1472 | return True |
|
1475 | return True | |
1473 |
|
1476 | |||
1474 | elif key in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return, |
|
1477 | elif key in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return, | |
1475 | QtCore.Qt.Key_Tab): |
|
1478 | QtCore.Qt.Key_Tab): | |
1476 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, |
|
1479 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, | |
1477 | QtCore.Qt.Key_PageDown, |
|
1480 | QtCore.Qt.Key_PageDown, | |
1478 | QtCore.Qt.NoModifier) |
|
1481 | QtCore.Qt.NoModifier) | |
1479 | QtGui.qApp.sendEvent(self._page_control, new_event) |
|
1482 | QtGui.qApp.sendEvent(self._page_control, new_event) | |
1480 | return True |
|
1483 | return True | |
1481 |
|
1484 | |||
1482 | elif key == QtCore.Qt.Key_Backspace: |
|
1485 | elif key == QtCore.Qt.Key_Backspace: | |
1483 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, |
|
1486 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, | |
1484 | QtCore.Qt.Key_PageUp, |
|
1487 | QtCore.Qt.Key_PageUp, | |
1485 | QtCore.Qt.NoModifier) |
|
1488 | QtCore.Qt.NoModifier) | |
1486 | QtGui.qApp.sendEvent(self._page_control, new_event) |
|
1489 | QtGui.qApp.sendEvent(self._page_control, new_event) | |
1487 | return True |
|
1490 | return True | |
1488 |
|
1491 | |||
1489 | return False |
|
1492 | return False | |
1490 |
|
1493 | |||
1491 | def _flush_pending_stream(self): |
|
1494 | def _flush_pending_stream(self): | |
1492 | """ Flush out pending text into the widget. """ |
|
1495 | """ Flush out pending text into the widget. """ | |
1493 | text = self._pending_insert_text |
|
1496 | text = self._pending_insert_text | |
1494 | self._pending_insert_text = [] |
|
1497 | self._pending_insert_text = [] | |
1495 | buffer_size = self._control.document().maximumBlockCount() |
|
1498 | buffer_size = self._control.document().maximumBlockCount() | |
1496 | if buffer_size > 0: |
|
1499 | if buffer_size > 0: | |
1497 | text = self._get_last_lines_from_list(text, buffer_size) |
|
1500 | text = self._get_last_lines_from_list(text, buffer_size) | |
1498 | text = ''.join(text) |
|
1501 | text = ''.join(text) | |
1499 | t = time.time() |
|
1502 | t = time.time() | |
1500 | self._insert_plain_text(self._get_end_cursor(), text, flush=True) |
|
1503 | self._insert_plain_text(self._get_end_cursor(), text, flush=True) | |
1501 | # Set the flush interval to equal the maximum time to update text. |
|
1504 | # Set the flush interval to equal the maximum time to update text. | |
1502 | self._pending_text_flush_interval.setInterval(max(100, |
|
1505 | self._pending_text_flush_interval.setInterval(max(100, | |
1503 | (time.time()-t)*1000)) |
|
1506 | (time.time()-t)*1000)) | |
1504 |
|
1507 | |||
1505 | def _format_as_columns(self, items, separator=' '): |
|
1508 | def _format_as_columns(self, items, separator=' '): | |
1506 | """ Transform a list of strings into a single string with columns. |
|
1509 | """ Transform a list of strings into a single string with columns. | |
1507 |
|
1510 | |||
1508 | Parameters |
|
1511 | Parameters | |
1509 | ---------- |
|
1512 | ---------- | |
1510 | items : sequence of strings |
|
1513 | items : sequence of strings | |
1511 | The strings to process. |
|
1514 | The strings to process. | |
1512 |
|
1515 | |||
1513 | separator : str, optional [default is two spaces] |
|
1516 | separator : str, optional [default is two spaces] | |
1514 | The string that separates columns. |
|
1517 | The string that separates columns. | |
1515 |
|
1518 | |||
1516 | Returns |
|
1519 | Returns | |
1517 | ------- |
|
1520 | ------- | |
1518 | The formatted string. |
|
1521 | The formatted string. | |
1519 | """ |
|
1522 | """ | |
1520 | # Calculate the number of characters available. |
|
1523 | # Calculate the number of characters available. | |
1521 | width = self._control.viewport().width() |
|
1524 | width = self._control.viewport().width() | |
1522 | char_width = QtGui.QFontMetrics(self.font).width(' ') |
|
1525 | char_width = QtGui.QFontMetrics(self.font).width(' ') | |
1523 | displaywidth = max(10, (width / char_width) - 1) |
|
1526 | displaywidth = max(10, (width / char_width) - 1) | |
1524 |
|
1527 | |||
1525 | return columnize(items, separator, displaywidth) |
|
1528 | return columnize(items, separator, displaywidth) | |
1526 |
|
1529 | |||
1527 | def _get_block_plain_text(self, block): |
|
1530 | def _get_block_plain_text(self, block): | |
1528 | """ Given a QTextBlock, return its unformatted text. |
|
1531 | """ Given a QTextBlock, return its unformatted text. | |
1529 | """ |
|
1532 | """ | |
1530 | cursor = QtGui.QTextCursor(block) |
|
1533 | cursor = QtGui.QTextCursor(block) | |
1531 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock) |
|
1534 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock) | |
1532 | cursor.movePosition(QtGui.QTextCursor.EndOfBlock, |
|
1535 | cursor.movePosition(QtGui.QTextCursor.EndOfBlock, | |
1533 | QtGui.QTextCursor.KeepAnchor) |
|
1536 | QtGui.QTextCursor.KeepAnchor) | |
1534 | return cursor.selection().toPlainText() |
|
1537 | return cursor.selection().toPlainText() | |
1535 |
|
1538 | |||
1536 | def _get_cursor(self): |
|
1539 | def _get_cursor(self): | |
1537 | """ Convenience method that returns a cursor for the current position. |
|
1540 | """ Convenience method that returns a cursor for the current position. | |
1538 | """ |
|
1541 | """ | |
1539 | return self._control.textCursor() |
|
1542 | return self._control.textCursor() | |
1540 |
|
1543 | |||
1541 | def _get_end_cursor(self): |
|
1544 | def _get_end_cursor(self): | |
1542 | """ Convenience method that returns a cursor for the last character. |
|
1545 | """ Convenience method that returns a cursor for the last character. | |
1543 | """ |
|
1546 | """ | |
1544 | cursor = self._control.textCursor() |
|
1547 | cursor = self._control.textCursor() | |
1545 | cursor.movePosition(QtGui.QTextCursor.End) |
|
1548 | cursor.movePosition(QtGui.QTextCursor.End) | |
1546 | return cursor |
|
1549 | return cursor | |
1547 |
|
1550 | |||
1548 | def _get_input_buffer_cursor_column(self): |
|
1551 | def _get_input_buffer_cursor_column(self): | |
1549 | """ Returns the column of the cursor in the input buffer, excluding the |
|
1552 | """ Returns the column of the cursor in the input buffer, excluding the | |
1550 | contribution by the prompt, or -1 if there is no such column. |
|
1553 | contribution by the prompt, or -1 if there is no such column. | |
1551 | """ |
|
1554 | """ | |
1552 | prompt = self._get_input_buffer_cursor_prompt() |
|
1555 | prompt = self._get_input_buffer_cursor_prompt() | |
1553 | if prompt is None: |
|
1556 | if prompt is None: | |
1554 | return -1 |
|
1557 | return -1 | |
1555 | else: |
|
1558 | else: | |
1556 | cursor = self._control.textCursor() |
|
1559 | cursor = self._control.textCursor() | |
1557 | return cursor.columnNumber() - len(prompt) |
|
1560 | return cursor.columnNumber() - len(prompt) | |
1558 |
|
1561 | |||
1559 | def _get_input_buffer_cursor_line(self): |
|
1562 | def _get_input_buffer_cursor_line(self): | |
1560 | """ Returns the text of the line of the input buffer that contains the |
|
1563 | """ Returns the text of the line of the input buffer that contains the | |
1561 | cursor, or None if there is no such line. |
|
1564 | cursor, or None if there is no such line. | |
1562 | """ |
|
1565 | """ | |
1563 | prompt = self._get_input_buffer_cursor_prompt() |
|
1566 | prompt = self._get_input_buffer_cursor_prompt() | |
1564 | if prompt is None: |
|
1567 | if prompt is None: | |
1565 | return None |
|
1568 | return None | |
1566 | else: |
|
1569 | else: | |
1567 | cursor = self._control.textCursor() |
|
1570 | cursor = self._control.textCursor() | |
1568 | text = self._get_block_plain_text(cursor.block()) |
|
1571 | text = self._get_block_plain_text(cursor.block()) | |
1569 | return text[len(prompt):] |
|
1572 | return text[len(prompt):] | |
1570 |
|
1573 | |||
1571 | def _get_input_buffer_cursor_prompt(self): |
|
1574 | def _get_input_buffer_cursor_prompt(self): | |
1572 | """ Returns the (plain text) prompt for line of the input buffer that |
|
1575 | """ Returns the (plain text) prompt for line of the input buffer that | |
1573 | contains the cursor, or None if there is no such line. |
|
1576 | contains the cursor, or None if there is no such line. | |
1574 | """ |
|
1577 | """ | |
1575 | if self._executing: |
|
1578 | if self._executing: | |
1576 | return None |
|
1579 | return None | |
1577 | cursor = self._control.textCursor() |
|
1580 | cursor = self._control.textCursor() | |
1578 | if cursor.position() >= self._prompt_pos: |
|
1581 | if cursor.position() >= self._prompt_pos: | |
1579 | if cursor.blockNumber() == self._get_prompt_cursor().blockNumber(): |
|
1582 | if cursor.blockNumber() == self._get_prompt_cursor().blockNumber(): | |
1580 | return self._prompt |
|
1583 | return self._prompt | |
1581 | else: |
|
1584 | else: | |
1582 | return self._continuation_prompt |
|
1585 | return self._continuation_prompt | |
1583 | else: |
|
1586 | else: | |
1584 | return None |
|
1587 | return None | |
1585 |
|
1588 | |||
1586 | def _get_last_lines(self, text, num_lines, return_count=False): |
|
1589 | def _get_last_lines(self, text, num_lines, return_count=False): | |
1587 | """ Return last specified number of lines of text (like `tail -n`). |
|
1590 | """ Return last specified number of lines of text (like `tail -n`). | |
1588 | If return_count is True, returns a tuple of clipped text and the |
|
1591 | If return_count is True, returns a tuple of clipped text and the | |
1589 | number of lines in the clipped text. |
|
1592 | number of lines in the clipped text. | |
1590 | """ |
|
1593 | """ | |
1591 | pos = len(text) |
|
1594 | pos = len(text) | |
1592 | if pos < num_lines: |
|
1595 | if pos < num_lines: | |
1593 | if return_count: |
|
1596 | if return_count: | |
1594 | return text, text.count('\n') if return_count else text |
|
1597 | return text, text.count('\n') if return_count else text | |
1595 | else: |
|
1598 | else: | |
1596 | return text |
|
1599 | return text | |
1597 | i = 0 |
|
1600 | i = 0 | |
1598 | while i < num_lines: |
|
1601 | while i < num_lines: | |
1599 | pos = text.rfind('\n', None, pos) |
|
1602 | pos = text.rfind('\n', None, pos) | |
1600 | if pos == -1: |
|
1603 | if pos == -1: | |
1601 | pos = None |
|
1604 | pos = None | |
1602 | break |
|
1605 | break | |
1603 | i += 1 |
|
1606 | i += 1 | |
1604 | if return_count: |
|
1607 | if return_count: | |
1605 | return text[pos:], i |
|
1608 | return text[pos:], i | |
1606 | else: |
|
1609 | else: | |
1607 | return text[pos:] |
|
1610 | return text[pos:] | |
1608 |
|
1611 | |||
1609 | def _get_last_lines_from_list(self, text_list, num_lines): |
|
1612 | def _get_last_lines_from_list(self, text_list, num_lines): | |
1610 | """ Return the list of text clipped to last specified lines. |
|
1613 | """ Return the list of text clipped to last specified lines. | |
1611 | """ |
|
1614 | """ | |
1612 | ret = [] |
|
1615 | ret = [] | |
1613 | lines_pending = num_lines |
|
1616 | lines_pending = num_lines | |
1614 | for text in reversed(text_list): |
|
1617 | for text in reversed(text_list): | |
1615 | text, lines_added = self._get_last_lines(text, lines_pending, |
|
1618 | text, lines_added = self._get_last_lines(text, lines_pending, | |
1616 | return_count=True) |
|
1619 | return_count=True) | |
1617 | ret.append(text) |
|
1620 | ret.append(text) | |
1618 | lines_pending -= lines_added |
|
1621 | lines_pending -= lines_added | |
1619 | if lines_pending <= 0: |
|
1622 | if lines_pending <= 0: | |
1620 | break |
|
1623 | break | |
1621 | return ret[::-1] |
|
1624 | return ret[::-1] | |
1622 |
|
1625 | |||
1623 | def _get_prompt_cursor(self): |
|
1626 | def _get_prompt_cursor(self): | |
1624 | """ Convenience method that returns a cursor for the prompt position. |
|
1627 | """ Convenience method that returns a cursor for the prompt position. | |
1625 | """ |
|
1628 | """ | |
1626 | cursor = self._control.textCursor() |
|
1629 | cursor = self._control.textCursor() | |
1627 | cursor.setPosition(self._prompt_pos) |
|
1630 | cursor.setPosition(self._prompt_pos) | |
1628 | return cursor |
|
1631 | return cursor | |
1629 |
|
1632 | |||
1630 | def _get_selection_cursor(self, start, end): |
|
1633 | def _get_selection_cursor(self, start, end): | |
1631 | """ Convenience method that returns a cursor with text selected between |
|
1634 | """ Convenience method that returns a cursor with text selected between | |
1632 | the positions 'start' and 'end'. |
|
1635 | the positions 'start' and 'end'. | |
1633 | """ |
|
1636 | """ | |
1634 | cursor = self._control.textCursor() |
|
1637 | cursor = self._control.textCursor() | |
1635 | cursor.setPosition(start) |
|
1638 | cursor.setPosition(start) | |
1636 | cursor.setPosition(end, QtGui.QTextCursor.KeepAnchor) |
|
1639 | cursor.setPosition(end, QtGui.QTextCursor.KeepAnchor) | |
1637 | return cursor |
|
1640 | return cursor | |
1638 |
|
1641 | |||
1639 | def _get_word_start_cursor(self, position): |
|
1642 | def _get_word_start_cursor(self, position): | |
1640 | """ Find the start of the word to the left the given position. If a |
|
1643 | """ Find the start of the word to the left the given position. If a | |
1641 | sequence of non-word characters precedes the first word, skip over |
|
1644 | sequence of non-word characters precedes the first word, skip over | |
1642 | them. (This emulates the behavior of bash, emacs, etc.) |
|
1645 | them. (This emulates the behavior of bash, emacs, etc.) | |
1643 | """ |
|
1646 | """ | |
1644 | document = self._control.document() |
|
1647 | document = self._control.document() | |
1645 | position -= 1 |
|
1648 | position -= 1 | |
1646 | while position >= self._prompt_pos and \ |
|
1649 | while position >= self._prompt_pos and \ | |
1647 | not is_letter_or_number(document.characterAt(position)): |
|
1650 | not is_letter_or_number(document.characterAt(position)): | |
1648 | position -= 1 |
|
1651 | position -= 1 | |
1649 | while position >= self._prompt_pos and \ |
|
1652 | while position >= self._prompt_pos and \ | |
1650 | is_letter_or_number(document.characterAt(position)): |
|
1653 | is_letter_or_number(document.characterAt(position)): | |
1651 | position -= 1 |
|
1654 | position -= 1 | |
1652 | cursor = self._control.textCursor() |
|
1655 | cursor = self._control.textCursor() | |
1653 | cursor.setPosition(position + 1) |
|
1656 | cursor.setPosition(position + 1) | |
1654 | return cursor |
|
1657 | return cursor | |
1655 |
|
1658 | |||
1656 | def _get_word_end_cursor(self, position): |
|
1659 | def _get_word_end_cursor(self, position): | |
1657 | """ Find the end of the word to the right the given position. If a |
|
1660 | """ Find the end of the word to the right the given position. If a | |
1658 | sequence of non-word characters precedes the first word, skip over |
|
1661 | sequence of non-word characters precedes the first word, skip over | |
1659 | them. (This emulates the behavior of bash, emacs, etc.) |
|
1662 | them. (This emulates the behavior of bash, emacs, etc.) | |
1660 | """ |
|
1663 | """ | |
1661 | document = self._control.document() |
|
1664 | document = self._control.document() | |
1662 | end = self._get_end_cursor().position() |
|
1665 | end = self._get_end_cursor().position() | |
1663 | while position < end and \ |
|
1666 | while position < end and \ | |
1664 | not is_letter_or_number(document.characterAt(position)): |
|
1667 | not is_letter_or_number(document.characterAt(position)): | |
1665 | position += 1 |
|
1668 | position += 1 | |
1666 | while position < end and \ |
|
1669 | while position < end and \ | |
1667 | is_letter_or_number(document.characterAt(position)): |
|
1670 | is_letter_or_number(document.characterAt(position)): | |
1668 | position += 1 |
|
1671 | position += 1 | |
1669 | cursor = self._control.textCursor() |
|
1672 | cursor = self._control.textCursor() | |
1670 | cursor.setPosition(position) |
|
1673 | cursor.setPosition(position) | |
1671 | return cursor |
|
1674 | return cursor | |
1672 |
|
1675 | |||
1673 | def _insert_continuation_prompt(self, cursor): |
|
1676 | def _insert_continuation_prompt(self, cursor): | |
1674 | """ Inserts new continuation prompt using the specified cursor. |
|
1677 | """ Inserts new continuation prompt using the specified cursor. | |
1675 | """ |
|
1678 | """ | |
1676 | if self._continuation_prompt_html is None: |
|
1679 | if self._continuation_prompt_html is None: | |
1677 | self._insert_plain_text(cursor, self._continuation_prompt) |
|
1680 | self._insert_plain_text(cursor, self._continuation_prompt) | |
1678 | else: |
|
1681 | else: | |
1679 | self._continuation_prompt = self._insert_html_fetching_plain_text( |
|
1682 | self._continuation_prompt = self._insert_html_fetching_plain_text( | |
1680 | cursor, self._continuation_prompt_html) |
|
1683 | cursor, self._continuation_prompt_html) | |
1681 |
|
1684 | |||
1682 | def _insert_block(self, cursor, block_format=None): |
|
1685 | def _insert_block(self, cursor, block_format=None): | |
1683 | """ Inserts an empty QTextBlock using the specified cursor. |
|
1686 | """ Inserts an empty QTextBlock using the specified cursor. | |
1684 | """ |
|
1687 | """ | |
1685 | if block_format is None: |
|
1688 | if block_format is None: | |
1686 | block_format = QtGui.QTextBlockFormat() |
|
1689 | block_format = QtGui.QTextBlockFormat() | |
1687 | cursor.insertBlock(block_format) |
|
1690 | cursor.insertBlock(block_format) | |
1688 |
|
1691 | |||
1689 | def _insert_html(self, cursor, html): |
|
1692 | def _insert_html(self, cursor, html): | |
1690 | """ Inserts HTML using the specified cursor in such a way that future |
|
1693 | """ Inserts HTML using the specified cursor in such a way that future | |
1691 | formatting is unaffected. |
|
1694 | formatting is unaffected. | |
1692 | """ |
|
1695 | """ | |
1693 | cursor.beginEditBlock() |
|
1696 | cursor.beginEditBlock() | |
1694 | cursor.insertHtml(html) |
|
1697 | cursor.insertHtml(html) | |
1695 |
|
1698 | |||
1696 | # After inserting HTML, the text document "remembers" it's in "html |
|
1699 | # After inserting HTML, the text document "remembers" it's in "html | |
1697 | # mode", which means that subsequent calls adding plain text will result |
|
1700 | # mode", which means that subsequent calls adding plain text will result | |
1698 | # in unwanted formatting, lost tab characters, etc. The following code |
|
1701 | # in unwanted formatting, lost tab characters, etc. The following code | |
1699 | # hacks around this behavior, which I consider to be a bug in Qt, by |
|
1702 | # hacks around this behavior, which I consider to be a bug in Qt, by | |
1700 | # (crudely) resetting the document's style state. |
|
1703 | # (crudely) resetting the document's style state. | |
1701 | cursor.movePosition(QtGui.QTextCursor.Left, |
|
1704 | cursor.movePosition(QtGui.QTextCursor.Left, | |
1702 | QtGui.QTextCursor.KeepAnchor) |
|
1705 | QtGui.QTextCursor.KeepAnchor) | |
1703 | if cursor.selection().toPlainText() == ' ': |
|
1706 | if cursor.selection().toPlainText() == ' ': | |
1704 | cursor.removeSelectedText() |
|
1707 | cursor.removeSelectedText() | |
1705 | else: |
|
1708 | else: | |
1706 | cursor.movePosition(QtGui.QTextCursor.Right) |
|
1709 | cursor.movePosition(QtGui.QTextCursor.Right) | |
1707 | cursor.insertText(' ', QtGui.QTextCharFormat()) |
|
1710 | cursor.insertText(' ', QtGui.QTextCharFormat()) | |
1708 | cursor.endEditBlock() |
|
1711 | cursor.endEditBlock() | |
1709 |
|
1712 | |||
1710 | def _insert_html_fetching_plain_text(self, cursor, html): |
|
1713 | def _insert_html_fetching_plain_text(self, cursor, html): | |
1711 | """ Inserts HTML using the specified cursor, then returns its plain text |
|
1714 | """ Inserts HTML using the specified cursor, then returns its plain text | |
1712 | version. |
|
1715 | version. | |
1713 | """ |
|
1716 | """ | |
1714 | cursor.beginEditBlock() |
|
1717 | cursor.beginEditBlock() | |
1715 | cursor.removeSelectedText() |
|
1718 | cursor.removeSelectedText() | |
1716 |
|
1719 | |||
1717 | start = cursor.position() |
|
1720 | start = cursor.position() | |
1718 | self._insert_html(cursor, html) |
|
1721 | self._insert_html(cursor, html) | |
1719 | end = cursor.position() |
|
1722 | end = cursor.position() | |
1720 | cursor.setPosition(start, QtGui.QTextCursor.KeepAnchor) |
|
1723 | cursor.setPosition(start, QtGui.QTextCursor.KeepAnchor) | |
1721 | text = cursor.selection().toPlainText() |
|
1724 | text = cursor.selection().toPlainText() | |
1722 |
|
1725 | |||
1723 | cursor.setPosition(end) |
|
1726 | cursor.setPosition(end) | |
1724 | cursor.endEditBlock() |
|
1727 | cursor.endEditBlock() | |
1725 | return text |
|
1728 | return text | |
1726 |
|
1729 | |||
1727 | def _insert_plain_text(self, cursor, text, flush=False): |
|
1730 | def _insert_plain_text(self, cursor, text, flush=False): | |
1728 | """ Inserts plain text using the specified cursor, processing ANSI codes |
|
1731 | """ Inserts plain text using the specified cursor, processing ANSI codes | |
1729 | if enabled. |
|
1732 | if enabled. | |
1730 | """ |
|
1733 | """ | |
1731 | # maximumBlockCount() can be different from self.buffer_size in |
|
1734 | # maximumBlockCount() can be different from self.buffer_size in | |
1732 | # case input prompt is active. |
|
1735 | # case input prompt is active. | |
1733 | buffer_size = self._control.document().maximumBlockCount() |
|
1736 | buffer_size = self._control.document().maximumBlockCount() | |
1734 |
|
1737 | |||
1735 | if self._executing and not flush and \ |
|
1738 | if self._executing and not flush and \ | |
1736 | self._pending_text_flush_interval.isActive(): |
|
1739 | self._pending_text_flush_interval.isActive(): | |
1737 | self._pending_insert_text.append(text) |
|
1740 | self._pending_insert_text.append(text) | |
1738 | if buffer_size > 0: |
|
1741 | if buffer_size > 0: | |
1739 | self._pending_insert_text = self._get_last_lines_from_list( |
|
1742 | self._pending_insert_text = self._get_last_lines_from_list( | |
1740 | self._pending_insert_text, buffer_size) |
|
1743 | self._pending_insert_text, buffer_size) | |
1741 | return |
|
1744 | return | |
1742 |
|
1745 | |||
1743 | if self._executing and not self._pending_text_flush_interval.isActive(): |
|
1746 | if self._executing and not self._pending_text_flush_interval.isActive(): | |
1744 | self._pending_text_flush_interval.start() |
|
1747 | self._pending_text_flush_interval.start() | |
1745 |
|
1748 | |||
1746 | # Clip the text to last `buffer_size` lines. |
|
1749 | # Clip the text to last `buffer_size` lines. | |
1747 | if buffer_size > 0: |
|
1750 | if buffer_size > 0: | |
1748 | text = self._get_last_lines(text, buffer_size) |
|
1751 | text = self._get_last_lines(text, buffer_size) | |
1749 |
|
1752 | |||
1750 | cursor.beginEditBlock() |
|
1753 | cursor.beginEditBlock() | |
1751 | if self.ansi_codes: |
|
1754 | if self.ansi_codes: | |
1752 | for substring in self._ansi_processor.split_string(text): |
|
1755 | for substring in self._ansi_processor.split_string(text): | |
1753 | for act in self._ansi_processor.actions: |
|
1756 | for act in self._ansi_processor.actions: | |
1754 |
|
1757 | |||
1755 | # Unlike real terminal emulators, we don't distinguish |
|
1758 | # Unlike real terminal emulators, we don't distinguish | |
1756 | # between the screen and the scrollback buffer. A screen |
|
1759 | # between the screen and the scrollback buffer. A screen | |
1757 | # erase request clears everything. |
|
1760 | # erase request clears everything. | |
1758 | if act.action == 'erase' and act.area == 'screen': |
|
1761 | if act.action == 'erase' and act.area == 'screen': | |
1759 | cursor.select(QtGui.QTextCursor.Document) |
|
1762 | cursor.select(QtGui.QTextCursor.Document) | |
1760 | cursor.removeSelectedText() |
|
1763 | cursor.removeSelectedText() | |
1761 |
|
1764 | |||
1762 | # Simulate a form feed by scrolling just past the last line. |
|
1765 | # Simulate a form feed by scrolling just past the last line. | |
1763 | elif act.action == 'scroll' and act.unit == 'page': |
|
1766 | elif act.action == 'scroll' and act.unit == 'page': | |
1764 | cursor.insertText('\n') |
|
1767 | cursor.insertText('\n') | |
1765 | cursor.endEditBlock() |
|
1768 | cursor.endEditBlock() | |
1766 | self._set_top_cursor(cursor) |
|
1769 | self._set_top_cursor(cursor) | |
1767 | cursor.joinPreviousEditBlock() |
|
1770 | cursor.joinPreviousEditBlock() | |
1768 | cursor.deletePreviousChar() |
|
1771 | cursor.deletePreviousChar() | |
1769 |
|
1772 | |||
1770 | elif act.action == 'carriage-return': |
|
1773 | elif act.action == 'carriage-return': | |
1771 | cursor.movePosition( |
|
1774 | cursor.movePosition( | |
1772 | cursor.StartOfLine, cursor.KeepAnchor) |
|
1775 | cursor.StartOfLine, cursor.KeepAnchor) | |
1773 |
|
1776 | |||
1774 | elif act.action == 'beep': |
|
1777 | elif act.action == 'beep': | |
1775 | QtGui.qApp.beep() |
|
1778 | QtGui.qApp.beep() | |
1776 |
|
1779 | |||
1777 | elif act.action == 'backspace': |
|
1780 | elif act.action == 'backspace': | |
1778 | if not cursor.atBlockStart(): |
|
1781 | if not cursor.atBlockStart(): | |
1779 | cursor.movePosition( |
|
1782 | cursor.movePosition( | |
1780 | cursor.PreviousCharacter, cursor.KeepAnchor) |
|
1783 | cursor.PreviousCharacter, cursor.KeepAnchor) | |
1781 |
|
1784 | |||
1782 | elif act.action == 'newline': |
|
1785 | elif act.action == 'newline': | |
1783 | cursor.movePosition(cursor.EndOfLine) |
|
1786 | cursor.movePosition(cursor.EndOfLine) | |
1784 |
|
1787 | |||
1785 | format = self._ansi_processor.get_format() |
|
1788 | format = self._ansi_processor.get_format() | |
1786 |
|
1789 | |||
1787 | selection = cursor.selectedText() |
|
1790 | selection = cursor.selectedText() | |
1788 | if len(selection) == 0: |
|
1791 | if len(selection) == 0: | |
1789 | cursor.insertText(substring, format) |
|
1792 | cursor.insertText(substring, format) | |
1790 | elif substring is not None: |
|
1793 | elif substring is not None: | |
1791 | # BS and CR are treated as a change in print |
|
1794 | # BS and CR are treated as a change in print | |
1792 | # position, rather than a backwards character |
|
1795 | # position, rather than a backwards character | |
1793 | # deletion for output equivalence with (I)Python |
|
1796 | # deletion for output equivalence with (I)Python | |
1794 | # terminal. |
|
1797 | # terminal. | |
1795 | if len(substring) >= len(selection): |
|
1798 | if len(substring) >= len(selection): | |
1796 | cursor.insertText(substring, format) |
|
1799 | cursor.insertText(substring, format) | |
1797 | else: |
|
1800 | else: | |
1798 | old_text = selection[len(substring):] |
|
1801 | old_text = selection[len(substring):] | |
1799 | cursor.insertText(substring + old_text, format) |
|
1802 | cursor.insertText(substring + old_text, format) | |
1800 | cursor.movePosition(cursor.PreviousCharacter, |
|
1803 | cursor.movePosition(cursor.PreviousCharacter, | |
1801 | cursor.KeepAnchor, len(old_text)) |
|
1804 | cursor.KeepAnchor, len(old_text)) | |
1802 | else: |
|
1805 | else: | |
1803 | cursor.insertText(text) |
|
1806 | cursor.insertText(text) | |
1804 | cursor.endEditBlock() |
|
1807 | cursor.endEditBlock() | |
1805 |
|
1808 | |||
1806 | def _insert_plain_text_into_buffer(self, cursor, text): |
|
1809 | def _insert_plain_text_into_buffer(self, cursor, text): | |
1807 | """ Inserts text into the input buffer using the specified cursor (which |
|
1810 | """ Inserts text into the input buffer using the specified cursor (which | |
1808 | must be in the input buffer), ensuring that continuation prompts are |
|
1811 | must be in the input buffer), ensuring that continuation prompts are | |
1809 | inserted as necessary. |
|
1812 | inserted as necessary. | |
1810 | """ |
|
1813 | """ | |
1811 | lines = text.splitlines(True) |
|
1814 | lines = text.splitlines(True) | |
1812 | if lines: |
|
1815 | if lines: | |
1813 | cursor.beginEditBlock() |
|
1816 | cursor.beginEditBlock() | |
1814 | cursor.insertText(lines[0]) |
|
1817 | cursor.insertText(lines[0]) | |
1815 | for line in lines[1:]: |
|
1818 | for line in lines[1:]: | |
1816 | if self._continuation_prompt_html is None: |
|
1819 | if self._continuation_prompt_html is None: | |
1817 | cursor.insertText(self._continuation_prompt) |
|
1820 | cursor.insertText(self._continuation_prompt) | |
1818 | else: |
|
1821 | else: | |
1819 | self._continuation_prompt = \ |
|
1822 | self._continuation_prompt = \ | |
1820 | self._insert_html_fetching_plain_text( |
|
1823 | self._insert_html_fetching_plain_text( | |
1821 | cursor, self._continuation_prompt_html) |
|
1824 | cursor, self._continuation_prompt_html) | |
1822 | cursor.insertText(line) |
|
1825 | cursor.insertText(line) | |
1823 | cursor.endEditBlock() |
|
1826 | cursor.endEditBlock() | |
1824 |
|
1827 | |||
1825 | def _in_buffer(self, position=None): |
|
1828 | def _in_buffer(self, position=None): | |
1826 | """ Returns whether the current cursor (or, if specified, a position) is |
|
1829 | """ Returns whether the current cursor (or, if specified, a position) is | |
1827 | inside the editing region. |
|
1830 | inside the editing region. | |
1828 | """ |
|
1831 | """ | |
1829 | cursor = self._control.textCursor() |
|
1832 | cursor = self._control.textCursor() | |
1830 | if position is None: |
|
1833 | if position is None: | |
1831 | position = cursor.position() |
|
1834 | position = cursor.position() | |
1832 | else: |
|
1835 | else: | |
1833 | cursor.setPosition(position) |
|
1836 | cursor.setPosition(position) | |
1834 | line = cursor.blockNumber() |
|
1837 | line = cursor.blockNumber() | |
1835 | prompt_line = self._get_prompt_cursor().blockNumber() |
|
1838 | prompt_line = self._get_prompt_cursor().blockNumber() | |
1836 | if line == prompt_line: |
|
1839 | if line == prompt_line: | |
1837 | return position >= self._prompt_pos |
|
1840 | return position >= self._prompt_pos | |
1838 | elif line > prompt_line: |
|
1841 | elif line > prompt_line: | |
1839 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock) |
|
1842 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock) | |
1840 | prompt_pos = cursor.position() + len(self._continuation_prompt) |
|
1843 | prompt_pos = cursor.position() + len(self._continuation_prompt) | |
1841 | return position >= prompt_pos |
|
1844 | return position >= prompt_pos | |
1842 | return False |
|
1845 | return False | |
1843 |
|
1846 | |||
1844 | def _keep_cursor_in_buffer(self): |
|
1847 | def _keep_cursor_in_buffer(self): | |
1845 | """ Ensures that the cursor is inside the editing region. Returns |
|
1848 | """ Ensures that the cursor is inside the editing region. Returns | |
1846 | whether the cursor was moved. |
|
1849 | whether the cursor was moved. | |
1847 | """ |
|
1850 | """ | |
1848 | moved = not self._in_buffer() |
|
1851 | moved = not self._in_buffer() | |
1849 | if moved: |
|
1852 | if moved: | |
1850 | cursor = self._control.textCursor() |
|
1853 | cursor = self._control.textCursor() | |
1851 | cursor.movePosition(QtGui.QTextCursor.End) |
|
1854 | cursor.movePosition(QtGui.QTextCursor.End) | |
1852 | self._control.setTextCursor(cursor) |
|
1855 | self._control.setTextCursor(cursor) | |
1853 | return moved |
|
1856 | return moved | |
1854 |
|
1857 | |||
1855 | def _keyboard_quit(self): |
|
1858 | def _keyboard_quit(self): | |
1856 | """ Cancels the current editing task ala Ctrl-G in Emacs. |
|
1859 | """ Cancels the current editing task ala Ctrl-G in Emacs. | |
1857 | """ |
|
1860 | """ | |
1858 | if self._temp_buffer_filled : |
|
1861 | if self._temp_buffer_filled : | |
1859 | self._cancel_completion() |
|
1862 | self._cancel_completion() | |
1860 | self._clear_temporary_buffer() |
|
1863 | self._clear_temporary_buffer() | |
1861 | else: |
|
1864 | else: | |
1862 | self.input_buffer = '' |
|
1865 | self.input_buffer = '' | |
1863 |
|
1866 | |||
1864 | def _page(self, text, html=False): |
|
1867 | def _page(self, text, html=False): | |
1865 | """ Displays text using the pager if it exceeds the height of the |
|
1868 | """ Displays text using the pager if it exceeds the height of the | |
1866 | viewport. |
|
1869 | viewport. | |
1867 |
|
1870 | |||
1868 | Parameters: |
|
1871 | Parameters: | |
1869 | ----------- |
|
1872 | ----------- | |
1870 | html : bool, optional (default False) |
|
1873 | html : bool, optional (default False) | |
1871 | If set, the text will be interpreted as HTML instead of plain text. |
|
1874 | If set, the text will be interpreted as HTML instead of plain text. | |
1872 | """ |
|
1875 | """ | |
1873 | line_height = QtGui.QFontMetrics(self.font).height() |
|
1876 | line_height = QtGui.QFontMetrics(self.font).height() | |
1874 | minlines = self._control.viewport().height() / line_height |
|
1877 | minlines = self._control.viewport().height() / line_height | |
1875 | if self.paging != 'none' and \ |
|
1878 | if self.paging != 'none' and \ | |
1876 | re.match("(?:[^\n]*\n){%i}" % minlines, text): |
|
1879 | re.match("(?:[^\n]*\n){%i}" % minlines, text): | |
1877 | if self.paging == 'custom': |
|
1880 | if self.paging == 'custom': | |
1878 | self.custom_page_requested.emit(text) |
|
1881 | self.custom_page_requested.emit(text) | |
1879 | else: |
|
1882 | else: | |
1880 | self._page_control.clear() |
|
1883 | self._page_control.clear() | |
1881 | cursor = self._page_control.textCursor() |
|
1884 | cursor = self._page_control.textCursor() | |
1882 | if html: |
|
1885 | if html: | |
1883 | self._insert_html(cursor, text) |
|
1886 | self._insert_html(cursor, text) | |
1884 | else: |
|
1887 | else: | |
1885 | self._insert_plain_text(cursor, text) |
|
1888 | self._insert_plain_text(cursor, text) | |
1886 | self._page_control.moveCursor(QtGui.QTextCursor.Start) |
|
1889 | self._page_control.moveCursor(QtGui.QTextCursor.Start) | |
1887 |
|
1890 | |||
1888 | self._page_control.viewport().resize(self._control.size()) |
|
1891 | self._page_control.viewport().resize(self._control.size()) | |
1889 | if self._splitter: |
|
1892 | if self._splitter: | |
1890 | self._page_control.show() |
|
1893 | self._page_control.show() | |
1891 | self._page_control.setFocus() |
|
1894 | self._page_control.setFocus() | |
1892 | else: |
|
1895 | else: | |
1893 | self.layout().setCurrentWidget(self._page_control) |
|
1896 | self.layout().setCurrentWidget(self._page_control) | |
1894 | elif html: |
|
1897 | elif html: | |
1895 | self._append_html(text) |
|
1898 | self._append_html(text) | |
1896 | else: |
|
1899 | else: | |
1897 | self._append_plain_text(text) |
|
1900 | self._append_plain_text(text) | |
1898 |
|
1901 | |||
1899 | def _set_paging(self, paging): |
|
1902 | def _set_paging(self, paging): | |
1900 | """ |
|
1903 | """ | |
1901 | Change the pager to `paging` style. |
|
1904 | Change the pager to `paging` style. | |
1902 |
|
1905 | |||
1903 | XXX: currently, this is limited to switching between 'hsplit' and |
|
1906 | XXX: currently, this is limited to switching between 'hsplit' and | |
1904 | 'vsplit'. |
|
1907 | 'vsplit'. | |
1905 |
|
1908 | |||
1906 | Parameters: |
|
1909 | Parameters: | |
1907 | ----------- |
|
1910 | ----------- | |
1908 | paging : string |
|
1911 | paging : string | |
1909 | Either "hsplit", "vsplit", or "inside" |
|
1912 | Either "hsplit", "vsplit", or "inside" | |
1910 | """ |
|
1913 | """ | |
1911 | if self._splitter is None: |
|
1914 | if self._splitter is None: | |
1912 | raise NotImplementedError("""can only switch if --paging=hsplit or |
|
1915 | raise NotImplementedError("""can only switch if --paging=hsplit or | |
1913 | --paging=vsplit is used.""") |
|
1916 | --paging=vsplit is used.""") | |
1914 | if paging == 'hsplit': |
|
1917 | if paging == 'hsplit': | |
1915 | self._splitter.setOrientation(QtCore.Qt.Horizontal) |
|
1918 | self._splitter.setOrientation(QtCore.Qt.Horizontal) | |
1916 | elif paging == 'vsplit': |
|
1919 | elif paging == 'vsplit': | |
1917 | self._splitter.setOrientation(QtCore.Qt.Vertical) |
|
1920 | self._splitter.setOrientation(QtCore.Qt.Vertical) | |
1918 | elif paging == 'inside': |
|
1921 | elif paging == 'inside': | |
1919 | raise NotImplementedError("""switching to 'inside' paging not |
|
1922 | raise NotImplementedError("""switching to 'inside' paging not | |
1920 | supported yet.""") |
|
1923 | supported yet.""") | |
1921 | else: |
|
1924 | else: | |
1922 | raise ValueError("unknown paging method '%s'" % paging) |
|
1925 | raise ValueError("unknown paging method '%s'" % paging) | |
1923 | self.paging = paging |
|
1926 | self.paging = paging | |
1924 |
|
1927 | |||
1925 | def _prompt_finished(self): |
|
1928 | def _prompt_finished(self): | |
1926 | """ Called immediately after a prompt is finished, i.e. when some input |
|
1929 | """ Called immediately after a prompt is finished, i.e. when some input | |
1927 | will be processed and a new prompt displayed. |
|
1930 | will be processed and a new prompt displayed. | |
1928 | """ |
|
1931 | """ | |
1929 | self._control.setReadOnly(True) |
|
1932 | self._control.setReadOnly(True) | |
1930 | self._prompt_finished_hook() |
|
1933 | self._prompt_finished_hook() | |
1931 |
|
1934 | |||
1932 | def _prompt_started(self): |
|
1935 | def _prompt_started(self): | |
1933 | """ Called immediately after a new prompt is displayed. |
|
1936 | """ Called immediately after a new prompt is displayed. | |
1934 | """ |
|
1937 | """ | |
1935 | # Temporarily disable the maximum block count to permit undo/redo and |
|
1938 | # Temporarily disable the maximum block count to permit undo/redo and | |
1936 | # to ensure that the prompt position does not change due to truncation. |
|
1939 | # to ensure that the prompt position does not change due to truncation. | |
1937 | self._control.document().setMaximumBlockCount(0) |
|
1940 | self._control.document().setMaximumBlockCount(0) | |
1938 | self._control.setUndoRedoEnabled(True) |
|
1941 | self._control.setUndoRedoEnabled(True) | |
1939 |
|
1942 | |||
1940 | # Work around bug in QPlainTextEdit: input method is not re-enabled |
|
1943 | # Work around bug in QPlainTextEdit: input method is not re-enabled | |
1941 | # when read-only is disabled. |
|
1944 | # when read-only is disabled. | |
1942 | self._control.setReadOnly(False) |
|
1945 | self._control.setReadOnly(False) | |
1943 | self._control.setAttribute(QtCore.Qt.WA_InputMethodEnabled, True) |
|
1946 | self._control.setAttribute(QtCore.Qt.WA_InputMethodEnabled, True) | |
1944 |
|
1947 | |||
1945 | if not self._reading: |
|
1948 | if not self._reading: | |
1946 | self._executing = False |
|
1949 | self._executing = False | |
1947 | self._prompt_started_hook() |
|
1950 | self._prompt_started_hook() | |
1948 |
|
1951 | |||
1949 | # If the input buffer has changed while executing, load it. |
|
1952 | # If the input buffer has changed while executing, load it. | |
1950 | if self._input_buffer_pending: |
|
1953 | if self._input_buffer_pending: | |
1951 | self.input_buffer = self._input_buffer_pending |
|
1954 | self.input_buffer = self._input_buffer_pending | |
1952 | self._input_buffer_pending = '' |
|
1955 | self._input_buffer_pending = '' | |
1953 |
|
1956 | |||
1954 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
1957 | self._control.moveCursor(QtGui.QTextCursor.End) | |
1955 |
|
1958 | |||
1956 | def _readline(self, prompt='', callback=None): |
|
1959 | def _readline(self, prompt='', callback=None): | |
1957 | """ Reads one line of input from the user. |
|
1960 | """ Reads one line of input from the user. | |
1958 |
|
1961 | |||
1959 | Parameters |
|
1962 | Parameters | |
1960 | ---------- |
|
1963 | ---------- | |
1961 | prompt : str, optional |
|
1964 | prompt : str, optional | |
1962 | The prompt to print before reading the line. |
|
1965 | The prompt to print before reading the line. | |
1963 |
|
1966 | |||
1964 | callback : callable, optional |
|
1967 | callback : callable, optional | |
1965 | A callback to execute with the read line. If not specified, input is |
|
1968 | A callback to execute with the read line. If not specified, input is | |
1966 | read *synchronously* and this method does not return until it has |
|
1969 | read *synchronously* and this method does not return until it has | |
1967 | been read. |
|
1970 | been read. | |
1968 |
|
1971 | |||
1969 | Returns |
|
1972 | Returns | |
1970 | ------- |
|
1973 | ------- | |
1971 | If a callback is specified, returns nothing. Otherwise, returns the |
|
1974 | If a callback is specified, returns nothing. Otherwise, returns the | |
1972 | input string with the trailing newline stripped. |
|
1975 | input string with the trailing newline stripped. | |
1973 | """ |
|
1976 | """ | |
1974 | if self._reading: |
|
1977 | if self._reading: | |
1975 | raise RuntimeError('Cannot read a line. Widget is already reading.') |
|
1978 | raise RuntimeError('Cannot read a line. Widget is already reading.') | |
1976 |
|
1979 | |||
1977 | if not callback and not self.isVisible(): |
|
1980 | if not callback and not self.isVisible(): | |
1978 | # If the user cannot see the widget, this function cannot return. |
|
1981 | # If the user cannot see the widget, this function cannot return. | |
1979 | raise RuntimeError('Cannot synchronously read a line if the widget ' |
|
1982 | raise RuntimeError('Cannot synchronously read a line if the widget ' | |
1980 | 'is not visible!') |
|
1983 | 'is not visible!') | |
1981 |
|
1984 | |||
1982 | self._reading = True |
|
1985 | self._reading = True | |
1983 | self._show_prompt(prompt, newline=False) |
|
1986 | self._show_prompt(prompt, newline=False) | |
1984 |
|
1987 | |||
1985 | if callback is None: |
|
1988 | if callback is None: | |
1986 | self._reading_callback = None |
|
1989 | self._reading_callback = None | |
1987 | while self._reading: |
|
1990 | while self._reading: | |
1988 | QtCore.QCoreApplication.processEvents() |
|
1991 | QtCore.QCoreApplication.processEvents() | |
1989 | return self._get_input_buffer(force=True).rstrip('\n') |
|
1992 | return self._get_input_buffer(force=True).rstrip('\n') | |
1990 |
|
1993 | |||
1991 | else: |
|
1994 | else: | |
1992 | self._reading_callback = lambda: \ |
|
1995 | self._reading_callback = lambda: \ | |
1993 | callback(self._get_input_buffer(force=True).rstrip('\n')) |
|
1996 | callback(self._get_input_buffer(force=True).rstrip('\n')) | |
1994 |
|
1997 | |||
1995 | def _set_continuation_prompt(self, prompt, html=False): |
|
1998 | def _set_continuation_prompt(self, prompt, html=False): | |
1996 | """ Sets the continuation prompt. |
|
1999 | """ Sets the continuation prompt. | |
1997 |
|
2000 | |||
1998 | Parameters |
|
2001 | Parameters | |
1999 | ---------- |
|
2002 | ---------- | |
2000 | prompt : str |
|
2003 | prompt : str | |
2001 | The prompt to show when more input is needed. |
|
2004 | The prompt to show when more input is needed. | |
2002 |
|
2005 | |||
2003 | html : bool, optional (default False) |
|
2006 | html : bool, optional (default False) | |
2004 | If set, the prompt will be inserted as formatted HTML. Otherwise, |
|
2007 | If set, the prompt will be inserted as formatted HTML. Otherwise, | |
2005 | the prompt will be treated as plain text, though ANSI color codes |
|
2008 | the prompt will be treated as plain text, though ANSI color codes | |
2006 | will be handled. |
|
2009 | will be handled. | |
2007 | """ |
|
2010 | """ | |
2008 | if html: |
|
2011 | if html: | |
2009 | self._continuation_prompt_html = prompt |
|
2012 | self._continuation_prompt_html = prompt | |
2010 | else: |
|
2013 | else: | |
2011 | self._continuation_prompt = prompt |
|
2014 | self._continuation_prompt = prompt | |
2012 | self._continuation_prompt_html = None |
|
2015 | self._continuation_prompt_html = None | |
2013 |
|
2016 | |||
2014 | def _set_cursor(self, cursor): |
|
2017 | def _set_cursor(self, cursor): | |
2015 | """ Convenience method to set the current cursor. |
|
2018 | """ Convenience method to set the current cursor. | |
2016 | """ |
|
2019 | """ | |
2017 | self._control.setTextCursor(cursor) |
|
2020 | self._control.setTextCursor(cursor) | |
2018 |
|
2021 | |||
2019 | def _set_top_cursor(self, cursor): |
|
2022 | def _set_top_cursor(self, cursor): | |
2020 | """ Scrolls the viewport so that the specified cursor is at the top. |
|
2023 | """ Scrolls the viewport so that the specified cursor is at the top. | |
2021 | """ |
|
2024 | """ | |
2022 | scrollbar = self._control.verticalScrollBar() |
|
2025 | scrollbar = self._control.verticalScrollBar() | |
2023 | scrollbar.setValue(scrollbar.maximum()) |
|
2026 | scrollbar.setValue(scrollbar.maximum()) | |
2024 | original_cursor = self._control.textCursor() |
|
2027 | original_cursor = self._control.textCursor() | |
2025 | self._control.setTextCursor(cursor) |
|
2028 | self._control.setTextCursor(cursor) | |
2026 | self._control.ensureCursorVisible() |
|
2029 | self._control.ensureCursorVisible() | |
2027 | self._control.setTextCursor(original_cursor) |
|
2030 | self._control.setTextCursor(original_cursor) | |
2028 |
|
2031 | |||
2029 | def _show_prompt(self, prompt=None, html=False, newline=True): |
|
2032 | def _show_prompt(self, prompt=None, html=False, newline=True): | |
2030 | """ Writes a new prompt at the end of the buffer. |
|
2033 | """ Writes a new prompt at the end of the buffer. | |
2031 |
|
2034 | |||
2032 | Parameters |
|
2035 | Parameters | |
2033 | ---------- |
|
2036 | ---------- | |
2034 | prompt : str, optional |
|
2037 | prompt : str, optional | |
2035 | The prompt to show. If not specified, the previous prompt is used. |
|
2038 | The prompt to show. If not specified, the previous prompt is used. | |
2036 |
|
2039 | |||
2037 | html : bool, optional (default False) |
|
2040 | html : bool, optional (default False) | |
2038 | Only relevant when a prompt is specified. If set, the prompt will |
|
2041 | Only relevant when a prompt is specified. If set, the prompt will | |
2039 | be inserted as formatted HTML. Otherwise, the prompt will be treated |
|
2042 | be inserted as formatted HTML. Otherwise, the prompt will be treated | |
2040 | as plain text, though ANSI color codes will be handled. |
|
2043 | as plain text, though ANSI color codes will be handled. | |
2041 |
|
2044 | |||
2042 | newline : bool, optional (default True) |
|
2045 | newline : bool, optional (default True) | |
2043 | If set, a new line will be written before showing the prompt if |
|
2046 | If set, a new line will be written before showing the prompt if | |
2044 | there is not already a newline at the end of the buffer. |
|
2047 | there is not already a newline at the end of the buffer. | |
2045 | """ |
|
2048 | """ | |
2046 | # Save the current end position to support _append*(before_prompt=True). |
|
2049 | # Save the current end position to support _append*(before_prompt=True). | |
2047 | cursor = self._get_end_cursor() |
|
2050 | cursor = self._get_end_cursor() | |
2048 | self._append_before_prompt_pos = cursor.position() |
|
2051 | self._append_before_prompt_pos = cursor.position() | |
2049 |
|
2052 | |||
2050 | # Insert a preliminary newline, if necessary. |
|
2053 | # Insert a preliminary newline, if necessary. | |
2051 | if newline and cursor.position() > 0: |
|
2054 | if newline and cursor.position() > 0: | |
2052 | cursor.movePosition(QtGui.QTextCursor.Left, |
|
2055 | cursor.movePosition(QtGui.QTextCursor.Left, | |
2053 | QtGui.QTextCursor.KeepAnchor) |
|
2056 | QtGui.QTextCursor.KeepAnchor) | |
2054 | if cursor.selection().toPlainText() != '\n': |
|
2057 | if cursor.selection().toPlainText() != '\n': | |
2055 | self._append_block() |
|
2058 | self._append_block() | |
2056 |
|
2059 | |||
2057 | # Write the prompt. |
|
2060 | # Write the prompt. | |
2058 | self._append_plain_text(self._prompt_sep) |
|
2061 | self._append_plain_text(self._prompt_sep) | |
2059 | if prompt is None: |
|
2062 | if prompt is None: | |
2060 | if self._prompt_html is None: |
|
2063 | if self._prompt_html is None: | |
2061 | self._append_plain_text(self._prompt) |
|
2064 | self._append_plain_text(self._prompt) | |
2062 | else: |
|
2065 | else: | |
2063 | self._append_html(self._prompt_html) |
|
2066 | self._append_html(self._prompt_html) | |
2064 | else: |
|
2067 | else: | |
2065 | if html: |
|
2068 | if html: | |
2066 | self._prompt = self._append_html_fetching_plain_text(prompt) |
|
2069 | self._prompt = self._append_html_fetching_plain_text(prompt) | |
2067 | self._prompt_html = prompt |
|
2070 | self._prompt_html = prompt | |
2068 | else: |
|
2071 | else: | |
2069 | self._append_plain_text(prompt) |
|
2072 | self._append_plain_text(prompt) | |
2070 | self._prompt = prompt |
|
2073 | self._prompt = prompt | |
2071 | self._prompt_html = None |
|
2074 | self._prompt_html = None | |
2072 |
|
2075 | |||
2073 | self._flush_pending_stream() |
|
2076 | self._flush_pending_stream() | |
2074 | self._prompt_pos = self._get_end_cursor().position() |
|
2077 | self._prompt_pos = self._get_end_cursor().position() | |
2075 | self._prompt_started() |
|
2078 | self._prompt_started() | |
2076 |
|
2079 | |||
2077 | #------ Signal handlers ---------------------------------------------------- |
|
2080 | #------ Signal handlers ---------------------------------------------------- | |
2078 |
|
2081 | |||
2079 | def _adjust_scrollbars(self): |
|
2082 | def _adjust_scrollbars(self): | |
2080 | """ Expands the vertical scrollbar beyond the range set by Qt. |
|
2083 | """ Expands the vertical scrollbar beyond the range set by Qt. | |
2081 | """ |
|
2084 | """ | |
2082 | # This code is adapted from _q_adjustScrollbars in qplaintextedit.cpp |
|
2085 | # This code is adapted from _q_adjustScrollbars in qplaintextedit.cpp | |
2083 | # and qtextedit.cpp. |
|
2086 | # and qtextedit.cpp. | |
2084 | document = self._control.document() |
|
2087 | document = self._control.document() | |
2085 | scrollbar = self._control.verticalScrollBar() |
|
2088 | scrollbar = self._control.verticalScrollBar() | |
2086 | viewport_height = self._control.viewport().height() |
|
2089 | viewport_height = self._control.viewport().height() | |
2087 | if isinstance(self._control, QtGui.QPlainTextEdit): |
|
2090 | if isinstance(self._control, QtGui.QPlainTextEdit): | |
2088 | maximum = max(0, document.lineCount() - 1) |
|
2091 | maximum = max(0, document.lineCount() - 1) | |
2089 | step = viewport_height / self._control.fontMetrics().lineSpacing() |
|
2092 | step = viewport_height / self._control.fontMetrics().lineSpacing() | |
2090 | else: |
|
2093 | else: | |
2091 | # QTextEdit does not do line-based layout and blocks will not in |
|
2094 | # QTextEdit does not do line-based layout and blocks will not in | |
2092 | # general have the same height. Therefore it does not make sense to |
|
2095 | # general have the same height. Therefore it does not make sense to | |
2093 | # attempt to scroll in line height increments. |
|
2096 | # attempt to scroll in line height increments. | |
2094 | maximum = document.size().height() |
|
2097 | maximum = document.size().height() | |
2095 | step = viewport_height |
|
2098 | step = viewport_height | |
2096 | diff = maximum - scrollbar.maximum() |
|
2099 | diff = maximum - scrollbar.maximum() | |
2097 | scrollbar.setRange(0, maximum) |
|
2100 | scrollbar.setRange(0, maximum) | |
2098 | scrollbar.setPageStep(step) |
|
2101 | scrollbar.setPageStep(step) | |
2099 |
|
2102 | |||
2100 | # Compensate for undesirable scrolling that occurs automatically due to |
|
2103 | # Compensate for undesirable scrolling that occurs automatically due to | |
2101 | # maximumBlockCount() text truncation. |
|
2104 | # maximumBlockCount() text truncation. | |
2102 | if diff < 0 and document.blockCount() == document.maximumBlockCount(): |
|
2105 | if diff < 0 and document.blockCount() == document.maximumBlockCount(): | |
2103 | scrollbar.setValue(scrollbar.value() + diff) |
|
2106 | scrollbar.setValue(scrollbar.value() + diff) | |
2104 |
|
2107 | |||
2105 | def _custom_context_menu_requested(self, pos): |
|
2108 | def _custom_context_menu_requested(self, pos): | |
2106 | """ Shows a context menu at the given QPoint (in widget coordinates). |
|
2109 | """ Shows a context menu at the given QPoint (in widget coordinates). | |
2107 | """ |
|
2110 | """ | |
2108 | menu = self._context_menu_make(pos) |
|
2111 | menu = self._context_menu_make(pos) | |
2109 | menu.exec_(self._control.mapToGlobal(pos)) |
|
2112 | menu.exec_(self._control.mapToGlobal(pos)) |
@@ -1,74 +1,74 b'' | |||||
1 | from IPython.utils.text import indent, wrap_paragraphs |
|
1 | from IPython.utils.text import indent, wrap_paragraphs | |
2 |
|
2 | |||
3 | from IPython.terminal.ipapp import TerminalIPythonApp |
|
3 | from IPython.terminal.ipapp import TerminalIPythonApp | |
4 | from IPython.kernel.zmq.kernelapp import IPKernelApp |
|
4 | from IPython.kernel.zmq.kernelapp import IPKernelApp | |
5 | from IPython.html.notebookapp import NotebookApp |
|
5 | from IPython.html.notebookapp import NotebookApp | |
6 | from IPython.qt.console.qtconsoleapp import IPythonQtConsoleApp |
|
6 | from IPython.qt.console.qtconsoleapp import IPythonQtConsoleApp | |
7 |
|
7 | |||
8 | def document_config_options(classes): |
|
8 | def document_config_options(classes): | |
9 | lines = [] |
|
9 | lines = [] | |
10 | for cls in classes: |
|
10 | for cls in classes: | |
11 | classname = cls.__name__ |
|
11 | classname = cls.__name__ | |
12 | for k, trait in sorted(cls.class_traits(config=True).items()): |
|
12 | for k, trait in sorted(cls.class_traits(config=True).items()): | |
13 | ttype = trait.__class__.__name__ |
|
13 | ttype = trait.__class__.__name__ | |
14 |
|
14 | |||
15 | termline = classname + '.' + trait.name |
|
15 | termline = classname + '.' + trait.name | |
16 |
|
16 | |||
17 | # Choices or type |
|
17 | # Choices or type | |
18 | if 'Enum' in ttype: |
|
18 | if 'Enum' in ttype: | |
19 | # include Enum choices |
|
19 | # include Enum choices | |
20 | termline += ' : ' + '|'.join(repr(x) for x in trait.values) |
|
20 | termline += ' : ' + '|'.join(repr(x) for x in trait.values) | |
21 | else: |
|
21 | else: | |
22 | termline += ' : ' + ttype |
|
22 | termline += ' : ' + ttype | |
23 | lines.append(termline) |
|
23 | lines.append(termline) | |
24 |
|
24 | |||
25 | # Default value |
|
25 | # Default value | |
26 | try: |
|
26 | try: | |
27 | dv = trait.get_default_value() |
|
27 | dv = trait.get_default_value() | |
28 | dvr = repr(dv) |
|
28 | dvr = repr(dv) | |
29 | except Exception: |
|
29 | except Exception: | |
30 | dvr = dv = None # ignore defaults we can't construct |
|
30 | dvr = dv = None # ignore defaults we can't construct | |
31 | if (dv is not None) and (dvr is not None): |
|
31 | if (dv is not None) and (dvr is not None): | |
32 | if len(dvr) > 64: |
|
32 | if len(dvr) > 64: | |
33 | dvr = dvr[:61]+'...' |
|
33 | dvr = dvr[:61]+'...' | |
34 | # Double up backslashes, so they get to the rendered docs |
|
34 | # Double up backslashes, so they get to the rendered docs | |
35 | dvr = dvr.replace('\\n', '\\\\n') |
|
35 | dvr = dvr.replace('\\n', '\\\\n') | |
36 | lines.append(' Default: ' + dvr) |
|
36 | lines.append(' Default: ' + dvr) | |
37 | lines.append('') |
|
37 | lines.append('') | |
38 |
|
38 | |||
39 | help = trait.get_metadata('help') |
|
39 | help = trait.get_metadata('help') | |
40 | if help is not None: |
|
40 | if help is not None: | |
41 | help = '\n'.join(wrap_paragraphs(help, 76)) |
|
41 | help = '\n\n'.join(wrap_paragraphs(help, 76)) | |
42 | lines.append(indent(help, 4)) |
|
42 | lines.append(indent(help, 4)) | |
43 | else: |
|
43 | else: | |
44 | lines.append(' No description') |
|
44 | lines.append(' No description') | |
45 |
|
45 | |||
46 | lines.append('') |
|
46 | lines.append('') | |
47 | return '\n'.join(lines) |
|
47 | return '\n'.join(lines) | |
48 |
|
48 | |||
49 | kernel_classes = IPKernelApp().classes |
|
49 | kernel_classes = IPKernelApp().classes | |
50 |
|
50 | |||
51 | def write_doc(filename, title, classes, preamble=None): |
|
51 | def write_doc(filename, title, classes, preamble=None): | |
52 | configdoc = document_config_options(classes) |
|
52 | configdoc = document_config_options(classes) | |
53 | with open('source/config/options/%s.rst' % filename, 'w') as f: |
|
53 | with open('source/config/options/%s.rst' % filename, 'w') as f: | |
54 | f.write(title + '\n') |
|
54 | f.write(title + '\n') | |
55 | f.write(('=' * len(title)) + '\n') |
|
55 | f.write(('=' * len(title)) + '\n') | |
56 | f.write('\n') |
|
56 | f.write('\n') | |
57 | if preamble is not None: |
|
57 | if preamble is not None: | |
58 | f.write(preamble + '\n\n') |
|
58 | f.write(preamble + '\n\n') | |
59 | f.write(configdoc) |
|
59 | f.write(configdoc) | |
60 |
|
60 | |||
61 | if __name__ == '__main__': |
|
61 | if __name__ == '__main__': | |
62 | write_doc('terminal', 'Terminal IPython options', TerminalIPythonApp().classes) |
|
62 | write_doc('terminal', 'Terminal IPython options', TerminalIPythonApp().classes) | |
63 | write_doc('kernel', 'IPython kernel options', kernel_classes, |
|
63 | write_doc('kernel', 'IPython kernel options', kernel_classes, | |
64 | preamble="These options can be used in :file:`ipython_notebook_config.py` " |
|
64 | preamble="These options can be used in :file:`ipython_notebook_config.py` " | |
65 | "or in :file:`ipython_qtconsole_config.py`") |
|
65 | "or in :file:`ipython_qtconsole_config.py`") | |
66 | nbclasses = set(NotebookApp().classes) - set(kernel_classes) |
|
66 | nbclasses = set(NotebookApp().classes) - set(kernel_classes) | |
67 | write_doc('notebook', 'IPython notebook options', nbclasses, |
|
67 | write_doc('notebook', 'IPython notebook options', nbclasses, | |
68 | preamble="Any of the :doc:`kernel` can also be used.") |
|
68 | preamble="Any of the :doc:`kernel` can also be used.") | |
69 | qtclasses = set(IPythonQtConsoleApp().classes) - set(kernel_classes) |
|
69 | qtclasses = set(IPythonQtConsoleApp().classes) - set(kernel_classes) | |
70 | write_doc('qtconsole', 'IPython Qt console options', qtclasses, |
|
70 | write_doc('qtconsole', 'IPython Qt console options', qtclasses, | |
71 | preamble="Any of the :doc:`kernel` can also be used.") |
|
71 | preamble="Any of the :doc:`kernel` can also be used.") | |
72 |
|
72 | |||
73 | with open('source/config/options/generated', 'w'): |
|
73 | with open('source/config/options/generated', 'w'): | |
74 | pass No newline at end of file |
|
74 | pass |
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